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ISO 216

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3972: 1390:, with a width of 841 millimetres (33.1 in) and height of 1,189 millimetres (46.8 in), so an actual area of 0.999949 square metres (10.76336 sq ft); A4 is recommended as standard paper size for business, administrative and government correspondence; and A6 for postcards. Series B is based on B0 with width of 1 metre (3 ft 3 in), C0 is 917 by 1,297 millimetres (36.1 in × 51.1 in), and D0 771 by 1,090 millimetres (30.4 in × 42.9 in). Series C is the basis for envelope formats. 1394:
Brazil (1943), Spain (1947), Austria (1948), Romania (1949), Japan (1951), Denmark (1953), Czechoslovakia (1953), Israel (1954), Portugal (1954), Yugoslavia (1956), India (1957), Poland (1957), United Kingdom (1959), Venezuela (1962), New Zealand (1963), Iceland (1964), Mexico (1965), South Africa (1966), France (1967), Peru (1967), Turkey (1967), Chile (1968), Greece (1970), Zimbabwe (1970), Singapore (1970), Bangladesh (1972), Thailand (1973), Barbados (1973), Australia (1974), Ecuador (1974), Colombia (1975) and Kuwait (1975).
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aspect ratio. In each series of sizes (for example, series A), the largest size is numbered 0 (so in this case A0), and each successive size (A1, A2, etc.) has half the area of the preceding sheet and can be cut by halving the length of the preceding size sheet. The new measurement is rounded down to
1393:
The DIN paper-format concept was soon introduced as a national standard in many other countries, for example, Belgium (1924), Netherlands (1925), Norway (1926), Switzerland (1929), Sweden (1930), Soviet Union (1934), Hungary (1938), Italy (1939), Finland (1942), Uruguay (1942), Argentina (1943),
1217:
argued in a long article published in 1918, that a firm basis for the system of paper formats, which deal with surfaces, ought not be the length but the area; that is, linking the system of paper formats to the metric system using the square metre rather than the centimetre, constrained by
3717: 3555: 3392: 2355: 2193: 2030: 2712: 3920:; two sheets next to each other together have the same ratio, sideways. In scaled photocopying, for example, two A4 sheets reduced to A5 size fit exactly onto one A4 sheet, and an A4 sheet in magnified size onto an A3 sheet; in each case, there is neither waste nor want. 3008: 2866: 2723: 2528:
between adjacent sizes of the A series in sequence." The use of the geometric mean makes each step in size: B0, A0, B1, A1, B2 ... smaller than the previous one by the same factor. As with the A series, the lengths of the B series have the ratio
3243: 1881: 3212:. An unfolded A4 page will fit into a C4 envelope. Due to same width to height ratio, if an A4 page is folded in half so that it is A5 in size, it will fit into a C5 envelope (which will be the same size as a C4 envelope folded in half). 6276: 1637:) before rounding to the nearest 1 millimetre (0.039 in). Successive paper sizes in the series (A1, A2, A3, etc.) are defined by halving the area of the preceding paper size and rounding down, so that the long side of 3867:{\displaystyle {\text{C2}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{2+{\frac {1}{4}}}\approx 0.458\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{2-{\frac {3}{4}}}\approx 0.648\,{\text{m}}\end{cases}}} 3705:{\displaystyle {\text{C1}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{1+{\frac {1}{4}}}\approx 0.648\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{1-{\frac {3}{4}}}\approx 0.917\,{\text{m}}\end{cases}}} 3542:{\displaystyle {\text{C0}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{0+{\frac {1}{4}}}\approx 0.917\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{0-{\frac {3}{4}}}\approx 1.297\,{\text{m}}\end{cases}}} 2505:{\displaystyle {\text{A2}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{2+{\frac {1}{2}}}\approx 0.420\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{2-{\frac {1}{2}}}\approx 0.595\,{\text{m}}\end{cases}}} 2343:{\displaystyle {\text{A1}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{1+{\frac {1}{2}}}\approx 0.595\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{1-{\frac {1}{2}}}\approx 0.841\,{\text{m}}\end{cases}}} 2180:{\displaystyle {\text{A0}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{0+{\frac {1}{2}}}\approx 0.841\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{0-{\frac {1}{2}}}\approx 1.189\,{\text{m}}\end{cases}}} 4625:
Articles by Wilhelm Ostwald referencing Lichtenberg's letter, and W. Porstmann specifying a metric system of norms for formats for lengths, surfaces (planes), and volumes, laying the ground for the DIN-Series, in
2594: 161:. This ratio has the unique property that when cut or folded in half widthways, the halves also have the same aspect ratio. Each ISO paper size is one half of the area of the next larger size in the same series. 3983:. For example, line type A ("Continuous - thick", used for "visible outlines") has a standard thickness of 0.7 mm on an A0-sized sheet, 0.5 mm on an A1 sheet, and 0.35 mm on A2, A3, or A4. 3157:
The C series formats are geometric means between the B series and A series formats with the same number (e.g. C2 is the geometric mean between B2 and A2). The width to height ratio of C series formats is
1386:, with series A as the always preferred formats and basis for the other series. All measures are rounded to the nearest millimetre. A0 has a surface area of 1 square metre (11 sq ft) up to a 4003:, so that particular pens can be used on particular sizes of paper, and then the next smaller or larger size can be used to continue the drawing after it has been reduced or enlarged, respectively. 1408:
In 1977, a large German car manufacturer performed a study of the paper formats found in their incoming mail and concluded that out of 148 examined countries, 88 already used the A series formats.
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or printer can be designed to reduce a page from A4 to A5 or to enlarge a page from A4 to A3. Similarly, two sheets of A4 can be scaled down to fit one A4 sheet without excess empty paper.
3950:, where they are sometimes called "A4 rectangles" or "silver rectangles". In other contexts, the term "silver rectangle" can also refer to a rectangle in the proportion 1:(1 +  1129:. Early variants of the formats that would become ISO paper sizes A2, A3, B3, B4, and B5 then evolved in France, where they were listed in a 1798 French law on taxation of publications ( 1719:
is to maintain the aspect ratio of each subsequent rectangle after cutting or folding an A-series sheet in half, perpendicular to the larger side. Given a rectangle with a longer side,
1160:), as a replacement for the vast variety of other paper formats that had been used before, in order to make paper stocking and document reproduction cheaper and more efficient, in 1911 1255: 4128:
DIN 476 provides for formats larger than A0, denoted by a prefix factor. In particular, it lists the formats 2A0 and 4A0, which are twice and four times the size of A0 respectively:
3138:{\displaystyle {\text{B2}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{2}=0.5\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{2-1}\approx 0.707\,{\text{m}}\end{cases}}} 2996:{\displaystyle {\text{B1}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{1}\approx 0.707\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{1-1}=1\,{\text{m}}\end{cases}}} 2853:{\displaystyle {\text{B0}}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{0}=1\,{\text{m}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{0-1}\approx 1.414\,{\text{m}}\end{cases}}} 5788: 3376:{\displaystyle {\text{C}}_{n}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{n+{\frac {1}{4}}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{n-{\frac {3}{4}}}\end{cases}}} 2014:{\displaystyle {\text{A}}_{n}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{n+{\frac {1}{2}}}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{n-{\frac {1}{2}}}\end{cases}}} 1293: 5783: 1541: 1514: 1490: 1466: 1442: 1384: 1196: 1115: 1080: 6979: 4116:
standard upon which ISO 9175-1 is based also specified a term and symbol for easy identification of pens and drawing templates compatible with the standard, called
3927:. Although they have also officially adopted the ISO 216 paper format, Mexico, Panama, Peru, Colombia, the Philippines, and Chile also use mostly U.S. paper sizes. 5288: 4666: 4414: 99: 1333: 1313: 5510: 2545:
defines to have 1.5 times the area of the corresponding JIS A series (which is identical to the ISO A series). Thus, the lengths of JIS B series paper are
6972: 3994:. Colour codes are assigned to each size to facilitate easy recognition by the drafter. Like the paper sizes, these pen widths increase by a factor of 6585: 6505: 6296: 6291: 6137: 59: 46: 6303: 4227:(ISO A series) as well: "The rarely used sizes which follow also belong to this series." 2A0 is also known by other unofficial names like "A00". 1548:
can be made by using a sheet of the next larger size (for example, an A4 sheet is folded in half to make a brochure with size A5 pages). An office
4657: 2538:, and folding one in half (and rounding down to the nearest millimetre) gives the next in the series. The shorter side of B0 is exactly 1 metre. 1652:
The most used of this series is the size A4, which is 210 mm × 297 mm (8.27 in × 11.7 in) and thus almost exactly
7097: 6836: 2707:{\displaystyle {\text{B}}_{n}={\begin{cases}S=\left({\sqrt {\frac {1}{2}}}\right)^{n}\\L=\left({\sqrt {\frac {1}{2}}}\right)^{n-1}\end{cases}}} 5198: 1405:
document format in 1975, and it is today used in almost all countries in the world, with the exception of several countries in the Americas.
6905: 6706: 6229: 5612: 5203: 5173: 6550: 5880: 5677: 1468:
aspect ratio as the whole sheet before it was divided. Equivalently, if one lays two same-sized sheets of paper with an aspect ratio of
5001: 1649:. Hence, each next size is nearly exactly half the area of the prior size. So, an A1 page can fit two A2 pages inside the same area. 7175: 6077: 5101: 4333: 6995: 1349: 6641: 5813: 5657: 4296: 3971: 7123: 6736: 6731: 6438: 4367: 6530: 5860: 5793: 5373: 5021: 1342:
In 1921, after a long discussion and another intervention by Porstmann, the Standardisation Committee of German Industry (
4619: 3947: 2542: 6875: 6353: 4650: 1118: 6535: 6443: 6393: 6152: 5485: 5480: 1571:(unit symbol g/m; the nonstandard abbreviation "gsm" is also used). One can derive the grammage of other sizes by 1126: 1444:
has the unique property that, when cut or folded in half midway between its shorter sides, each half has the same
51: 6801: 6746: 6525: 6510: 6490: 5768: 5188: 4684: 3979:
An adjunct to the ISO paper sizes, particularly the A series, are the technical drawing line widths specified in
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is the length of the longer side, for the second equation both in metres. Porstmann also argued that formats for
1165: 1149: 6849: 6756: 6545: 6520: 5732: 5727: 4494: 2524:
The B series is defined in the standard as follows: "A subsidiary series of sizes is obtained by placing the
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The principal countries not generally using the ISO paper sizes are the United States and Canada, which use
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Visualization with paper sizes in formats A0 to A8, exhibited at the science museum CosmoCaixa Barcelona
1207: 1041: 106:, used around the world except in North America and parts of Latin America. The standard defines the " 7170: 6900: 6806: 6540: 6515: 6358: 6199: 5637: 5440: 5313: 5096: 3734: 3572: 3409: 3267: 3025: 2883: 2740: 2618: 2372: 2210: 2047: 1905: 7165: 6741: 6480: 4568: 1663: 7118: 6686: 6621: 4961: 4315: 3991: 1144:
Comparison of A4 (shaded grey) and C4 sizes with some similar paper and photographic paper sizes
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proposed, over a hundred years after the 1798 French law, a global standard – a
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side by side along their longer side, they form a larger rectangle with the aspect ratio of
1083: 146: 2554:≈ 1.22 times those of A-series paper. By comparison, the lengths of ISO B series paper are 1198:, referring to the argument advanced by Lichtenberg's 1786 letter, but linking this to the 6859: 6580: 6485: 6239: 6167: 6162: 6157: 5642: 5605: 5600: 5595: 5590: 5585: 5580: 5575: 4236: 1161: 1153: 1130: 1122: 4418: 4292: 3990:
widths are 0.13, 0.18, 0.25, 0.35, 0.5, 0.7, 1.0, 1.40, and 2.0 mm, as specified in
1212: 4516: 6147: 5895: 5707: 5570: 5560: 5555: 5550: 5545: 5540: 5535: 5530: 5525: 4894: 4884: 4241: 2525: 1402: 1387: 1140: 1589:(four halvings, ignoring rounding) of an A0 page. Thus the weight, and the associated 7154: 7113: 6935: 6910: 6895: 6831: 6826: 6821: 6816: 6811: 6656: 6601: 6570: 6560: 6423: 6413: 6383: 6378: 6328: 6308: 6286: 6271: 6224: 6189: 6132: 6127: 6117: 5995: 5940: 5915: 5910: 5890: 5763: 5303: 4879: 4742: 4712: 4246: 3987: 3943: 1199: 1032: 1025: 1018: 87: 79: 6796: 6766: 6626: 5970: 5965: 5828: 5823: 5818: 5737: 5682: 5632: 5565: 5520: 5495: 5425: 5420: 5415: 5410: 5405: 5363: 5328: 5238: 5233: 5061: 4869: 4635: 3960: 1662:
square metre (0.0625 m; 96.8752 sq in) in area. For comparison, the
1630: 1568: 1318: 1298: 1090: 142: 141:
All ISO 216, ISO 217 and ISO 269 paper sizes (except some envelopes) have the same
6964: 4630: 4543: 4393: 4359: 122:, the most commonly available paper size worldwide. Two supplementary standards, 6771: 6468: 6463: 6458: 6042: 5959: 4931: 4610: 3167:
as in the A and B series. A, B, and C series of paper fit together as part of a
1634: 1549: 1339:
of paper, such as envelopes, should be 10% larger than the paper format itself.
171: 158: 4444: 7076: 6761: 6666: 6373: 6348: 6112: 6067: 5803: 5460: 5273: 5166: 5161: 5156: 5116: 5091: 4966: 4722: 3924: 3193: 1596:
ISO 216 and its related standards were first published between 1975 and 1995:
1203: 1046: 103: 4328:] (in German). Vol. III (1785–1792). Munich: Beck. pp. 274–75. 1606:
ISO 217:2013, defining the RA and SRA series of raw ("untrimmed") paper sizes
7071: 7066: 7061: 7056: 7046: 7041: 7036: 6930: 6925: 6920: 6915: 6890: 6880: 6841: 6791: 6786: 6781: 6776: 6681: 6676: 6671: 6661: 6651: 6636: 6616: 6611: 6606: 6555: 6500: 6495: 6475: 6453: 6433: 6388: 6368: 6323: 6318: 6313: 6281: 6244: 6234: 6219: 6214: 6209: 6194: 6179: 6174: 6102: 6097: 6092: 6072: 6062: 6057: 6052: 6037: 6032: 5980: 5975: 5955: 5925: 5900: 5885: 5855: 5808: 5798: 5778: 5773: 5758: 5753: 5667: 5388: 5383: 5278: 4924: 4919: 4914: 4909: 4904: 4812: 4807: 4802: 4797: 3930: 1417: 37: 1148:
Searching for a standard system of paper formats on a scientific basis at
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Comparison of ISO 216 paper sizes between A4 and A3 and Swedish extension
7139: 7051: 7031: 7026: 7021: 7016: 7011: 6565: 6343: 6047: 5875: 5712: 5702: 5687: 5662: 5647: 5622: 5617: 5500: 5475: 5470: 5455: 5450: 5445: 5435: 5400: 5395: 5378: 5358: 5353: 5348: 5343: 5338: 5333: 5323: 5308: 5298: 5293: 5283: 5268: 5263: 5253: 5248: 5243: 5228: 5223: 5218: 5213: 5208: 5193: 5178: 5151: 5146: 5141: 5136: 5131: 5126: 5121: 5111: 5106: 5086: 5081: 5071: 5066: 5056: 5051: 5041: 5036: 5031: 5006: 4996: 4889: 4792: 4787: 4782: 4777: 4772: 4767: 4762: 4757: 4752: 3209: 1560: 1545: 17: 1629:(≈ 1.414, when rounded). A0 is defined so that it has an area of 1  1117:
is found in a letter written on 25 October 1786 by the German scientist
1089:
The oldest known mention of the advantages of basing a paper size on an
6854: 6646: 6631: 6428: 6418: 6408: 6184: 6000: 5950: 5845: 5833: 4991: 4986: 4981: 4976: 4971: 4956: 4951: 4946: 4941: 4936: 4899: 4854: 4849: 4834: 4824: 3980: 127: 123: 4104: 6716: 6701: 6696: 6691: 6363: 6338: 6266: 6122: 6107: 6087: 6082: 6027: 6020: 6015: 6010: 5905: 5870: 5717: 5368: 5183: 4747: 1680: in × 11 in; 216 mm × 279 mm) is about 4366:(in French) (237). Paris: Republic of France: 1–2. 3 November 1798. 4223:
While not formally defined, ISO 216:2007 notes them in the table of
1593:, can be approximated easily by counting the number of sheets used. 6204: 1555:
This system also simplifies calculating the weight of paper. Under
6751: 6726: 6448: 6333: 5985: 5850: 5722: 5697: 5692: 5672: 5046: 5016: 5011: 4732: 4717: 4707: 4702: 4103: 3970: 1696:) shorter than A4. Then, the size of A5 paper is half of A4, i.e. 1139: 1040: 86: 78: 4120:, which may still be found on some technical drafting equipment. 6398: 6261: 6254: 5920: 5865: 5465: 5076: 3896:±2.0 mm for dimensions in the range 150 to 600 mm, and 3890: 1590: 1564: 175: 6968: 4639: 4470:"International Paper Sizes, Dimensions, Format & Standards" 4419:"ISO 536:2019(en): Paper and board — Determination of grammage" 3196:
to the system. The lengths of ISO C series paper are therefore
1519:
The ISO system of paper sizes exploits these properties of the
6885: 6575: 5627: 1398: 31: 4266: 3192:: A4, C4, B4, "D4", A3, ...; there is such a D-series in the 1362:
the specification of four series of paper formats with ratio
3903:
These are related to comparison between series A, B and C.
3860: 3698: 3535: 3369: 3131: 2989: 2846: 2700: 2498: 2336: 2173: 2007: 2541:
There is also an incompatible Japanese B series which the
1747:, will be the same as that of a rectangle half its size, 138:" series is commonly listed alongside the A and B sizes. 4469: 4445:"A Paper Sizes – A0, A1, A2, A3, A4, A5, A6, A7, A8, A9" 2573:
paper (according to the ISO standard) can be defined as
1600:
ISO 216:2007, defining the A and B series of paper sizes
1525: 1498: 1474: 1450: 1426: 1368: 1321: 1301: 1263: 1226: 1224: 1180: 1174:) – for paper sizes based on the ratio 1099: 1064: 3911:
The ISO 216 formats are organized around the ratio 1:
3720: 3558: 3395: 3246: 3011: 2869: 2726: 2597: 2358: 2196: 2033: 1884: 4314:
Lichtenberg, Georg Christoph (1990). Joost, Ulrich;
1620:
Paper in the A series format has an aspect ratio of
1358:, or DIN in short) today, published German standard 27:
International standard for paper sizes, including A4
7132: 7106: 7090: 7002: 6868: 6594: 5746: 4695: 3866: 3704: 3541: 3375: 3137: 2995: 2852: 2706: 2504: 2342: 2179: 2013: 1535: 1508: 1484: 1460: 1436: 1416:The main advantage of this system is its scaling. 1397:It finally became both an international standard ( 1378: 1327: 1307: 1287: 1249: 1190: 1109: 1074: 4291:Lichtenberg, Georg Christoph (7 February 2006) . 1603:ISO 269:1985, defining the C series for envelopes 1206:(0.39 in) as the width of the base format. 4132:DIN 476 overformats (with rounded inch values) 91:An A4 paper sheet folded into two A5 size pages 4415:International Organization for Standardization 3899:±3.0 mm for dimensions above 600 mm. 3886:The tolerances specified in the standard are: 1579:paper weighs 5 grams (0.18 oz), as it is 1516:and double the area of each individual sheet. 6980: 4651: 3893:1.5 mm for dimensions up to 150 mm, 8: 3180:, though there is no size half-way between B 1353: 1343: 1169: 118:" series of paper sizes, which includes the 3171:, with ratio of successive side lengths of 1666:paper size commonly used in North America ( 6987: 6973: 6965: 4658: 4644: 4636: 4293:"Lichtenberg's letter to Johann Beckmann" 4267:"International Paper Sizes & Formats" 3852: 3851: 3833: 3826: 3810: 3790: 3789: 3771: 3764: 3748: 3729: 3721: 3719: 3690: 3689: 3671: 3664: 3648: 3628: 3627: 3609: 3602: 3586: 3567: 3559: 3557: 3527: 3526: 3508: 3501: 3485: 3465: 3464: 3446: 3439: 3423: 3404: 3396: 3394: 3354: 3347: 3331: 3304: 3297: 3281: 3262: 3253: 3248: 3245: 3208:The C series formats are used mainly for 3123: 3122: 3104: 3088: 3068: 3067: 3055: 3039: 3020: 3012: 3010: 2981: 2980: 2962: 2946: 2926: 2925: 2913: 2897: 2878: 2870: 2868: 2838: 2837: 2819: 2803: 2783: 2782: 2770: 2754: 2735: 2727: 2725: 2685: 2669: 2648: 2632: 2613: 2604: 2599: 2596: 2490: 2489: 2471: 2464: 2448: 2428: 2427: 2409: 2402: 2386: 2367: 2359: 2357: 2328: 2327: 2309: 2302: 2286: 2266: 2265: 2247: 2240: 2224: 2205: 2197: 2195: 2165: 2164: 2146: 2139: 2123: 2103: 2102: 2084: 2077: 2061: 2042: 2034: 2032: 1992: 1985: 1969: 1942: 1935: 1919: 1900: 1891: 1886: 1883: 1645:is the same length as the short side of A 1526: 1524: 1499: 1497: 1475: 1473: 1451: 1449: 1427: 1425: 1369: 1367: 1320: 1300: 1262: 1240: 1225: 1223: 1181: 1179: 1100: 1098: 1065: 1063: 4130: 4007: 1250:{\textstyle {\tfrac {x}{y}}={\sqrt {2}}} 1137:) that was based in part on page sizes. 1058:"Lichtenberg ratio" redirects here. For 168: 62:of all important aspects of the article. 4295:(in German and English). Translated by 4258: 7098:Municipal Services Standards Committee 4354: 4352: 3205:≈ 1.09 times those of A-series paper. 2563:≈ 1.19 times those of A-series paper. 1715:The geometric rationale for using the 1345:Normenausschuß der deutschen Industrie 1315:is the length of the shorter side and 58:Please consider expanding the lead to 4242:International standard envelope sizes 3975:Rotring Rapidographs in ISO nib sizes 1840:; in other words, an aspect ratio of 7: 4394:"International standard paper sizes" 4387: 4385: 4040: 4037: 4034: 4031: 4028: 4025: 4022: 4019: 4016: 4013: 1350:German Institute for Standardisation 4611:International standard paper sizes 4523:. England: British Origami Society 4370:from the original on 26 April 2009 4364:Bulletin des Lois de la République 1727:, ensuring that its aspect ratio, 1348:, or NADI in short), which is the 130:, define related paper sizes; the 25: 3933:sheets of paper with the ratio 1: 1544:the nearest millimetre. A folded 6949: 6948: 4362:[Stamp Act (No. 2136)]. 1575:. A standard A4 sheet made from 1563:is defined as a sheet's mass in 1031: 1024: 1017: 36: 4425:(4 ed.). § 3.1 note 1 165:Dimensions of A, B and C series 50:may be too short to adequately 7124:Multimedia extension connector 6996:Deutsches Institut für Normung 4495:"Japanese B Series Paper Size" 3237:, where (measuring in metres) 2588:, where (measuring in metres) 1875:, where (measuring in metres) 1420:paper with an aspect ratio of 1355:Deutsches Institut für Normung 60:provide an accessible overview 1: 4569:"Technical drawing pen sizes" 4360:"Loi sur le timbre (Nº 2136)" 3967:Matching technical pen widths 1401:216) as well as the official 1013: 4225:Main series of trimmed sizes 1135:Loi sur le timbre (Nº 2136) 1119:Georg Christoph Lichtenberg 7192: 4631:Explanation of paper sizes 4544:"Pen Sizes and Line Types" 3925:North American paper sizes 1288:{\textstyle a=x\times y=1} 1057: 6944: 4677: 1030: 1023: 1016: 190: 187: 184: 181: 7176:Technical specifications 4573:Designing Buildings Wiki 4378:– via Markus Kuhn. 4093: 4088: 4083: 4078: 4073: 4068: 4063: 4058: 4053: 4048: 3222:paper can be defined as 1860:paper can be defined as 1536:{\textstyle {\sqrt {2}}} 1509:{\textstyle {\sqrt {2}}} 1485:{\textstyle {\sqrt {2}}} 1461:{\textstyle {\sqrt {2}}} 1437:{\textstyle {\sqrt {2}}} 1379:{\textstyle {\sqrt {2}}} 1191:{\textstyle {\sqrt {2}}} 1110:{\textstyle {\sqrt {2}}} 1075:{\textstyle {\sqrt {2}}} 4301:University of Cambridge 1127:University of Göttingen 4613:: ISO 216 details and 4109: 3976: 3868: 3706: 3543: 3377: 3139: 2997: 2854: 2708: 2506: 2344: 2181: 2015: 1723:, and a shorter side, 1537: 1510: 1486: 1462: 1438: 1380: 1354: 1344: 1329: 1309: 1289: 1251: 1192: 1170: 1157: 1145: 1134: 1111: 1076: 1050: 100:international standard 92: 84: 4423:ISO Browsing Platform 4107: 3974: 3869: 3707: 3544: 3378: 3169:geometric progression 3140: 2998: 2855: 2709: 2507: 2345: 2182: 2016: 1538: 1511: 1487: 1463: 1439: 1381: 1330: 1310: 1290: 1252: 1193: 1143: 1112: 1077: 1044: 157:, within rounding to 90: 82: 3718: 3556: 3393: 3244: 3009: 2867: 2724: 2595: 2356: 2194: 2031: 1882: 1523: 1496: 1472: 1448: 1424: 1366: 1319: 1299: 1295:square metre, where 1261: 1222: 1178: 1097: 1062: 4133: 1811:, which reduces to 1768:, which means that 1573:arithmetic division 178: 170:ISO paper sizes in 7119:Mini-DIN connector 4671:by standard number 4620:ISO 216 at iso.org 4517:"The A4 rectangle" 4131: 4110: 3977: 3864: 3859: 3702: 3697: 3539: 3534: 3373: 3368: 3194:Swedish extensions 3135: 3130: 2993: 2988: 2850: 2845: 2704: 2699: 2502: 2497: 2340: 2335: 2177: 2172: 2011: 2006: 1533: 1506: 1482: 1458: 1434: 1376: 1325: 1305: 1285: 1247: 1235: 1188: 1146: 1107: 1072: 1051: 169: 93: 85: 7148: 7147: 6962: 6961: 4685:ISO romanizations 4417:(November 2019). 4221: 4220: 4188:1189 × 1682 4151:1682 × 2378 4100: 4099: 3855: 3841: 3820: 3819: 3793: 3779: 3758: 3757: 3724: 3693: 3679: 3658: 3657: 3631: 3617: 3596: 3595: 3562: 3530: 3516: 3495: 3494: 3468: 3454: 3433: 3432: 3399: 3362: 3341: 3340: 3312: 3291: 3290: 3251: 3126: 3098: 3097: 3071: 3049: 3048: 3015: 2984: 2956: 2955: 2929: 2907: 2906: 2873: 2841: 2813: 2812: 2786: 2764: 2763: 2730: 2679: 2678: 2642: 2641: 2602: 2526:geometrical means 2493: 2479: 2458: 2457: 2431: 2417: 2396: 2395: 2362: 2331: 2317: 2296: 2295: 2269: 2255: 2234: 2233: 2200: 2168: 2154: 2133: 2132: 2106: 2092: 2071: 2070: 2037: 2000: 1979: 1978: 1950: 1929: 1928: 1889: 1531: 1504: 1480: 1456: 1432: 1374: 1245: 1234: 1208:Walter Porstmann 1186: 1105: 1070: 1039: 1038: 191:C series formats 188:B series formats 185:A series formats 77: 76: 16:(Redirected from 7183: 6989: 6982: 6975: 6966: 6952: 6951: 4672: 4660: 4653: 4646: 4637: 4598: 4597: 4590: 4584: 4583: 4581: 4579: 4565: 4559: 4558: 4556: 4554: 4539: 4533: 4532: 4530: 4528: 4512: 4506: 4505: 4503: 4501: 4491: 4485: 4484: 4482: 4480: 4466: 4460: 4459: 4457: 4455: 4441: 4435: 4434: 4432: 4430: 4411: 4405: 4404: 4402: 4400: 4389: 4380: 4379: 4377: 4375: 4356: 4347: 4346: 4344: 4342: 4316:Schöne, Albrecht 4311: 4309: 4307: 4288: 4282: 4281: 4279: 4277: 4263: 4217: 4216: 4212: 4209: 4203: 4202: 4198: 4195: 4180: 4179: 4175: 4172: 4166: 4165: 4161: 4158: 4134: 4008: 4002: 4001: 4000: 3959:), known as the 3958: 3957: 3956: 3941: 3940: 3939: 3919: 3918: 3917: 3876: 3873: 3871: 3870: 3865: 3863: 3862: 3856: 3853: 3844: 3843: 3842: 3834: 3825: 3821: 3812: 3811: 3794: 3791: 3782: 3781: 3780: 3772: 3763: 3759: 3750: 3749: 3725: 3722: 3714: 3711: 3709: 3708: 3703: 3701: 3700: 3694: 3691: 3682: 3681: 3680: 3672: 3663: 3659: 3650: 3649: 3632: 3629: 3620: 3619: 3618: 3610: 3601: 3597: 3588: 3587: 3563: 3560: 3552: 3548: 3546: 3545: 3540: 3538: 3537: 3531: 3528: 3519: 3518: 3517: 3509: 3500: 3496: 3487: 3486: 3469: 3466: 3457: 3456: 3455: 3447: 3438: 3434: 3425: 3424: 3400: 3397: 3382: 3380: 3379: 3374: 3372: 3371: 3365: 3364: 3363: 3355: 3346: 3342: 3333: 3332: 3315: 3314: 3313: 3305: 3296: 3292: 3283: 3282: 3258: 3257: 3252: 3249: 3236: 3221: 3204: 3203: 3202: 3191: 3179: 3178: 3177: 3166: 3165: 3164: 3147: 3144: 3142: 3141: 3136: 3134: 3133: 3127: 3124: 3115: 3114: 3103: 3099: 3090: 3089: 3072: 3069: 3060: 3059: 3054: 3050: 3041: 3040: 3016: 3013: 3005: 3002: 3000: 2999: 2994: 2992: 2991: 2985: 2982: 2973: 2972: 2961: 2957: 2948: 2947: 2930: 2927: 2918: 2917: 2912: 2908: 2899: 2898: 2874: 2871: 2863: 2859: 2857: 2856: 2851: 2849: 2848: 2842: 2839: 2830: 2829: 2818: 2814: 2805: 2804: 2787: 2784: 2775: 2774: 2769: 2765: 2756: 2755: 2731: 2728: 2713: 2711: 2710: 2705: 2703: 2702: 2696: 2695: 2684: 2680: 2671: 2670: 2653: 2652: 2647: 2643: 2634: 2633: 2609: 2608: 2603: 2600: 2587: 2572: 2562: 2561: 2560: 2553: 2552: 2551: 2537: 2536: 2535: 2514: 2511: 2509: 2508: 2503: 2501: 2500: 2494: 2491: 2482: 2481: 2480: 2472: 2463: 2459: 2450: 2449: 2432: 2429: 2420: 2419: 2418: 2410: 2401: 2397: 2388: 2387: 2363: 2360: 2352: 2349: 2347: 2346: 2341: 2339: 2338: 2332: 2329: 2320: 2319: 2318: 2310: 2301: 2297: 2288: 2287: 2270: 2267: 2258: 2257: 2256: 2248: 2239: 2235: 2226: 2225: 2201: 2198: 2190: 2186: 2184: 2183: 2178: 2176: 2175: 2169: 2166: 2157: 2156: 2155: 2147: 2138: 2134: 2125: 2124: 2107: 2104: 2095: 2094: 2093: 2085: 2076: 2072: 2063: 2062: 2038: 2035: 2020: 2018: 2017: 2012: 2010: 2009: 2003: 2002: 2001: 1993: 1984: 1980: 1971: 1970: 1953: 1952: 1951: 1943: 1934: 1930: 1921: 1920: 1896: 1895: 1890: 1887: 1874: 1859: 1849: 1848: 1847: 1839: 1838: 1837: 1831: 1829: 1828: 1823: 1820: 1810: 1809: 1807: 1806: 1800: 1797: 1788: 1786: 1785: 1780: 1777: 1767: 1765: 1764: 1758: 1755: 1746: 1744: 1743: 1738: 1735: 1717:square root of 2 1711: 1707: 1703: 1699: 1695: 1691: 1687: 1683: 1679: 1678: 1674: 1671: 1661: 1660: 1656: 1644: 1628: 1627: 1626: 1588: 1587: 1583: 1578: 1567:(g) per area in 1542: 1540: 1539: 1534: 1532: 1527: 1515: 1513: 1512: 1507: 1505: 1500: 1491: 1489: 1488: 1483: 1481: 1476: 1467: 1465: 1464: 1459: 1457: 1452: 1443: 1441: 1440: 1435: 1433: 1428: 1385: 1383: 1382: 1377: 1375: 1370: 1357: 1347: 1334: 1332: 1331: 1326: 1314: 1312: 1311: 1306: 1294: 1292: 1291: 1286: 1256: 1254: 1253: 1248: 1246: 1241: 1236: 1227: 1216: 1197: 1195: 1194: 1189: 1187: 1182: 1173: 1116: 1114: 1113: 1108: 1106: 1101: 1084:Square root of 2 1081: 1079: 1078: 1073: 1071: 1066: 1035: 1028: 1021: 1009: 1005: 999: 996: 992: 989: 980: 976: 970: 967: 963: 960: 951: 947: 941: 938: 934: 931: 917: 913: 907: 904: 900: 897: 888: 884: 878: 875: 871: 868: 859: 855: 849: 846: 842: 839: 825: 821: 815: 812: 808: 805: 796: 792: 786: 783: 779: 776: 767: 763: 757: 754: 750: 747: 733: 729: 723: 719: 716: 707: 703: 697: 693: 690: 681: 677: 671: 667: 664: 650: 646: 640: 636: 627: 623: 617: 613: 604: 600: 594: 590: 576: 572: 566: 562: 553: 549: 543: 539: 530: 526: 520: 516: 502: 496: 492: 483: 477: 473: 464: 458: 454: 437: 433: 421: 417: 405: 401: 384: 380: 368: 364: 352: 348: 331: 327: 315: 303: 299: 282: 261: 179: 155: 153: 152: 72: 69: 63: 40: 32: 21: 7191: 7190: 7186: 7185: 7184: 7182: 7181: 7180: 7151: 7150: 7149: 7144: 7128: 7102: 7086: 6998: 6993: 6963: 6958: 6940: 6864: 6590: 5742: 4691: 4673: 4670: 4664: 4607: 4602: 4601: 4592: 4591: 4587: 4577: 4575: 4567: 4566: 4562: 4552: 4550: 4548:Metrication.com 4541: 4540: 4536: 4526: 4524: 4521:The Lister List 4515:Lister, David. 4514: 4513: 4509: 4499: 4497: 4493: 4492: 4488: 4478: 4476: 4468: 4467: 4463: 4453: 4451: 4443: 4442: 4438: 4428: 4426: 4413: 4412: 4408: 4398: 4396: 4391: 4390: 4383: 4373: 4371: 4358: 4357: 4350: 4340: 4338: 4336: 4313: 4305: 4303: 4290: 4289: 4285: 4275: 4273: 4265: 4264: 4260: 4255: 4237:ANSI/ASME Y14.1 4233: 4214: 4210: 4207: 4205: 4200: 4196: 4193: 4191: 4177: 4173: 4170: 4168: 4163: 4159: 4156: 4154: 4126: 4011:Linewidth (mm) 3998: 3996: 3995: 3969: 3954: 3952: 3951: 3942:are popular in 3937: 3935: 3934: 3915: 3913: 3912: 3909: 3884: 3874: 3858: 3857: 3806: 3805: 3796: 3795: 3744: 3743: 3730: 3716: 3715: 3712: 3696: 3695: 3644: 3643: 3634: 3633: 3582: 3581: 3568: 3554: 3553: 3550: 3533: 3532: 3481: 3480: 3471: 3470: 3419: 3418: 3405: 3391: 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148: 147: 73: 67: 64: 57: 45:This article's 41: 28: 23: 22: 15: 12: 11: 5: 7189: 7187: 7179: 7178: 7173: 7168: 7163: 7153: 7152: 7146: 7145: 7143: 7142: 7136: 7134: 7130: 7129: 7127: 7126: 7121: 7116: 7110: 7108: 7104: 7103: 7101: 7100: 7094: 7092: 7088: 7087: 7085: 7084: 7079: 7074: 7069: 7064: 7059: 7054: 7049: 7044: 7039: 7034: 7029: 7024: 7019: 7014: 7008: 7006: 7000: 6999: 6994: 6992: 6991: 6984: 6977: 6969: 6960: 6959: 6957: 6956: 6945: 6942: 6941: 6939: 6938: 6933: 6928: 6923: 6918: 6913: 6908: 6903: 6898: 6893: 6888: 6883: 6878: 6872: 6870: 6866: 6865: 6863: 6862: 6857: 6852: 6847: 6844: 6839: 6834: 6829: 6824: 6819: 6814: 6809: 6804: 6799: 6794: 6789: 6784: 6779: 6774: 6769: 6764: 6759: 6754: 6749: 6744: 6739: 6734: 6729: 6724: 6719: 6714: 6709: 6704: 6699: 6694: 6689: 6684: 6679: 6674: 6669: 6664: 6659: 6654: 6649: 6644: 6639: 6634: 6629: 6624: 6619: 6614: 6609: 6604: 6598: 6596: 6592: 6591: 6589: 6588: 6583: 6578: 6573: 6568: 6563: 6558: 6553: 6548: 6543: 6538: 6533: 6528: 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4907: 4897: 4892: 4887: 4882: 4877: 4872: 4867: 4862: 4857: 4852: 4847: 4842: 4837: 4832: 4827: 4822: 4817: 4816: 4815: 4810: 4805: 4800: 4795: 4790: 4785: 4780: 4775: 4770: 4765: 4760: 4755: 4745: 4740: 4735: 4730: 4725: 4720: 4715: 4710: 4705: 4699: 4697: 4693: 4692: 4678: 4675: 4674: 4665: 4663: 4662: 4655: 4648: 4640: 4634: 4633: 4628: 4622: 4617: 4606: 4605:External links 4603: 4600: 4599: 4585: 4560: 4542:Bell, Steven. 4534: 4507: 4486: 4461: 4449:papersizes.org 4436: 4406: 4392:Kuhn, Markus. 4381: 4348: 4334: 4326:Correspondence 4283: 4257: 4256: 4254: 4251: 4250: 4249: 4244: 4239: 4232: 4229: 4219: 4218: 4189: 4186: 4182: 4181: 4152: 4149: 4145: 4144: 4141: 4138: 4125: 4122: 4108:Micronorm logo 4102: 4101: 4098: 4097: 4094: 4092: 4089: 4087: 4084: 4082: 4079: 4077: 4074: 4072: 4069: 4067: 4064: 4062: 4059: 4057: 4054: 4052: 4049: 4047: 4043: 4042: 4039: 4036: 4033: 4030: 4027: 4024: 4021: 4018: 4015: 4012: 3968: 3965: 3908: 3905: 3901: 3900: 3897: 3894: 3883: 3880: 3879: 3878: 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2021: 2008: 1999: 1996: 1991: 1988: 1983: 1977: 1974: 1968: 1963: 1960: 1957: 1956: 1949: 1946: 1941: 1938: 1933: 1927: 1924: 1918: 1913: 1910: 1907: 1906: 1904: 1899: 1894: 1617: 1614: 1612: 1609: 1608: 1607: 1604: 1601: 1530: 1503: 1479: 1455: 1431: 1413: 1410: 1403:United Nations 1388:rounding error 1373: 1328:{\textstyle y} 1324: 1308:{\textstyle x} 1304: 1284: 1281: 1278: 1275: 1272: 1269: 1266: 1244: 1239: 1233: 1230: 1185: 1125:, both at the 1104: 1069: 1055: 1052: 1037: 1036: 1029: 1022: 1015: 1012: 1011: 1001: 985: 982: 972: 956: 953: 943: 927: 924: 920: 919: 909: 893: 890: 880: 864: 861: 851: 835: 832: 828: 827: 817: 801: 798: 788: 772: 769: 759: 743: 740: 736: 735: 725: 712: 709: 699: 686: 683: 673: 660: 657: 653: 652: 642: 632: 629: 619: 609: 606: 596: 586: 583: 579: 578: 568: 558: 555: 545: 535: 532: 522: 512: 509: 505: 504: 498: 488: 485: 479: 469: 466: 460: 450: 447: 443: 442: 439: 429: 426: 423: 413: 410: 407: 397: 394: 390: 389: 386: 376: 373: 370: 360: 357: 354: 344: 341: 337: 336: 333: 323: 320: 317: 311: 308: 305: 295: 292: 288: 287: 284: 278: 275: 272: 269: 266: 263: 257: 254: 250: 249: 246: 243: 240: 236: 235: 232: 229: 226: 222: 221: 218: 215: 212: 209: 206: 203: 200: 197: 193: 192: 189: 186: 183: 166: 163: 75: 74: 54:the key points 44: 42: 35: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 7188: 7177: 7174: 7172: 7169: 7167: 7164: 7162: 7161:ISO standards 7159: 7158: 7156: 7141: 7138: 7137: 7135: 7131: 7125: 7122: 7120: 7117: 7115: 7114:DIN connector 7112: 7111: 7109: 7105: 7099: 7096: 7095: 7093: 7089: 7083: 7080: 7078: 7075: 7073: 7070: 7068: 7065: 7063: 7060: 7058: 7055: 7053: 7050: 7048: 7045: 7043: 7040: 7038: 7035: 7033: 7030: 7028: 7025: 7023: 7020: 7018: 7015: 7013: 7010: 7009: 7007: 7005: 7004:DIN standards 7001: 6997: 6990: 6985: 6983: 6978: 6976: 6971: 6970: 6967: 6955: 6947: 6946: 6943: 6937: 6934: 6932: 6929: 6927: 6924: 6922: 6919: 6917: 6914: 6912: 6909: 6907: 6904: 6902: 6899: 6897: 6894: 6892: 6889: 6887: 6884: 6882: 6879: 6877: 6874: 6873: 6871: 6867: 6861: 6858: 6856: 6853: 6851: 6848: 6845: 6843: 6840: 6838: 6835: 6833: 6830: 6828: 6825: 6823: 6820: 6818: 6815: 6813: 6810: 6808: 6805: 6803: 6800: 6798: 6795: 6793: 6790: 6788: 6785: 6783: 6780: 6778: 6775: 6773: 6770: 6768: 6765: 6763: 6760: 6758: 6755: 6753: 6750: 6748: 6745: 6743: 6740: 6738: 6735: 6733: 6730: 6728: 6725: 6723: 6720: 6718: 6715: 6713: 6710: 6708: 6705: 6703: 6700: 6698: 6695: 6693: 6690: 6688: 6685: 6683: 6680: 6678: 6675: 6673: 6670: 6668: 6665: 6663: 6660: 6658: 6655: 6653: 6650: 6648: 6645: 6643: 6640: 6638: 6635: 6633: 6630: 6628: 6625: 6623: 6620: 6618: 6615: 6613: 6610: 6608: 6605: 6603: 6600: 6599: 6597: 6593: 6587: 6584: 6582: 6579: 6577: 6574: 6572: 6569: 6567: 6564: 6562: 6559: 6557: 6554: 6552: 6549: 6547: 6544: 6542: 6539: 6537: 6534: 6532: 6529: 6527: 6524: 6522: 6519: 6517: 6514: 6512: 6509: 6507: 6504: 6502: 6499: 6497: 6494: 6492: 6489: 6487: 6484: 6482: 6479: 6477: 6474: 6470: 6467: 6465: 6462: 6461: 6460: 6457: 6455: 6452: 6450: 6447: 6445: 6442: 6440: 6437: 6435: 6432: 6430: 6427: 6425: 6422: 6420: 6417: 6415: 6412: 6410: 6407: 6405: 6402: 6400: 6397: 6395: 6392: 6390: 6387: 6385: 6382: 6380: 6377: 6375: 6372: 6370: 6367: 6365: 6362: 6360: 6357: 6355: 6352: 6350: 6347: 6345: 6342: 6340: 6337: 6335: 6332: 6330: 6327: 6325: 6322: 6320: 6317: 6315: 6312: 6310: 6307: 6305: 6302: 6298: 6295: 6294: 6293: 6290: 6288: 6285: 6283: 6280: 6278: 6275: 6273: 6270: 6268: 6265: 6263: 6260: 6256: 6253: 6251: 6248: 6247: 6246: 6243: 6241: 6238: 6236: 6233: 6231: 6228: 6226: 6223: 6221: 6218: 6216: 6213: 6211: 6208: 6206: 6203: 6201: 6198: 6196: 6193: 6191: 6188: 6186: 6183: 6181: 6178: 6176: 6173: 6169: 6166: 6164: 6161: 6159: 6156: 6154: 6151: 6149: 6146: 6144: 6141: 6139: 6136: 6134: 6131: 6129: 6126: 6125: 6124: 6121: 6119: 6116: 6114: 6111: 6109: 6106: 6104: 6101: 6099: 6096: 6094: 6091: 6089: 6086: 6084: 6081: 6079: 6076: 6074: 6071: 6069: 6066: 6064: 6061: 6059: 6056: 6054: 6051: 6049: 6046: 6044: 6041: 6039: 6036: 6034: 6031: 6029: 6026: 6022: 6019: 6017: 6014: 6013: 6012: 6009: 6007: 6004: 6002: 5999: 5997: 5994: 5992: 5989: 5987: 5984: 5982: 5979: 5977: 5974: 5972: 5969: 5967: 5964: 5961: 5957: 5954: 5952: 5949: 5947: 5944: 5942: 5939: 5937: 5934: 5932: 5929: 5927: 5924: 5922: 5919: 5917: 5914: 5912: 5909: 5907: 5904: 5902: 5899: 5897: 5894: 5892: 5889: 5887: 5884: 5882: 5879: 5877: 5874: 5872: 5869: 5867: 5864: 5862: 5859: 5857: 5854: 5852: 5849: 5847: 5844: 5842: 5839: 5835: 5832: 5830: 5827: 5825: 5822: 5820: 5817: 5815: 5812: 5811: 5810: 5807: 5805: 5802: 5800: 5797: 5795: 5792: 5790: 5787: 5785: 5782: 5780: 5777: 5775: 5772: 5770: 5767: 5765: 5762: 5760: 5757: 5755: 5752: 5751: 5749: 5745: 5739: 5736: 5734: 5731: 5729: 5726: 5724: 5721: 5719: 5716: 5714: 5711: 5709: 5706: 5704: 5701: 5699: 5696: 5694: 5691: 5689: 5686: 5684: 5681: 5679: 5676: 5674: 5671: 5669: 5666: 5664: 5661: 5659: 5656: 5654: 5651: 5649: 5646: 5644: 5641: 5639: 5636: 5634: 5631: 5629: 5626: 5624: 5621: 5619: 5616: 5614: 5611: 5607: 5604: 5602: 5599: 5597: 5594: 5592: 5589: 5587: 5584: 5582: 5579: 5577: 5574: 5572: 5569: 5567: 5564: 5562: 5559: 5557: 5554: 5552: 5549: 5547: 5544: 5542: 5539: 5537: 5534: 5532: 5529: 5527: 5524: 5523: 5522: 5519: 5517: 5514: 5512: 5509: 5507: 5504: 5502: 5499: 5497: 5494: 5492: 5489: 5487: 5484: 5482: 5479: 5477: 5474: 5472: 5469: 5467: 5464: 5462: 5459: 5457: 5454: 5452: 5449: 5447: 5444: 5442: 5439: 5437: 5434: 5432: 5429: 5427: 5424: 5422: 5419: 5417: 5414: 5412: 5409: 5407: 5404: 5402: 5399: 5397: 5394: 5390: 5387: 5386: 5385: 5382: 5380: 5377: 5375: 5372: 5370: 5367: 5365: 5362: 5360: 5357: 5355: 5352: 5350: 5347: 5345: 5342: 5340: 5337: 5335: 5332: 5330: 5327: 5325: 5322: 5320: 5317: 5315: 5312: 5310: 5307: 5305: 5302: 5300: 5297: 5295: 5292: 5290: 5287: 5285: 5282: 5280: 5277: 5275: 5272: 5270: 5267: 5265: 5262: 5260: 5257: 5255: 5252: 5250: 5247: 5245: 5242: 5240: 5237: 5235: 5232: 5230: 5227: 5225: 5222: 5220: 5217: 5215: 5212: 5210: 5207: 5205: 5202: 5200: 5197: 5195: 5192: 5190: 5187: 5185: 5182: 5180: 5177: 5175: 5172: 5168: 5165: 5163: 5160: 5158: 5155: 5154: 5153: 5150: 5148: 5145: 5143: 5140: 5138: 5135: 5133: 5130: 5128: 5125: 5123: 5120: 5118: 5115: 5113: 5110: 5108: 5105: 5103: 5100: 5098: 5095: 5093: 5090: 5088: 5085: 5083: 5080: 5078: 5075: 5073: 5070: 5068: 5065: 5063: 5060: 5058: 5055: 5053: 5050: 5048: 5045: 5043: 5040: 5038: 5035: 5033: 5030: 5028: 5025: 5023: 5020: 5018: 5015: 5013: 5010: 5008: 5005: 5003: 5000: 4998: 4995: 4993: 4990: 4988: 4985: 4983: 4980: 4978: 4975: 4973: 4970: 4968: 4965: 4963: 4960: 4958: 4955: 4953: 4950: 4948: 4945: 4943: 4940: 4938: 4935: 4933: 4930: 4926: 4923: 4921: 4918: 4916: 4913: 4911: 4908: 4906: 4903: 4902: 4901: 4898: 4896: 4893: 4891: 4888: 4886: 4883: 4881: 4878: 4876: 4873: 4871: 4868: 4866: 4863: 4861: 4858: 4856: 4853: 4851: 4848: 4846: 4843: 4841: 4838: 4836: 4833: 4831: 4828: 4826: 4823: 4821: 4818: 4814: 4811: 4809: 4806: 4804: 4801: 4799: 4796: 4794: 4791: 4789: 4786: 4784: 4781: 4779: 4776: 4774: 4771: 4769: 4766: 4764: 4761: 4759: 4756: 4754: 4751: 4750: 4749: 4746: 4744: 4741: 4739: 4736: 4734: 4731: 4729: 4726: 4724: 4721: 4719: 4716: 4714: 4711: 4709: 4706: 4704: 4701: 4700: 4698: 4694: 4690: 4689:IEC standards 4686: 4682: 4681:ISO standards 4676: 4668: 4661: 4656: 4654: 4649: 4647: 4642: 4641: 4638: 4632: 4629: 4627: 4623: 4621: 4618: 4616: 4612: 4609: 4608: 4604: 4595: 4589: 4586: 4574: 4570: 4564: 4561: 4549: 4545: 4538: 4535: 4522: 4518: 4511: 4508: 4496: 4490: 4487: 4475: 4471: 4465: 4462: 4450: 4446: 4440: 4437: 4424: 4420: 4416: 4410: 4407: 4395: 4388: 4386: 4382: 4369: 4365: 4361: 4355: 4353: 4349: 4337: 4335:3-406-30958-5 4331: 4327: 4323: 4322: 4317: 4312:Published in 4302: 4298: 4294: 4287: 4284: 4272: 4268: 4262: 4259: 4252: 4248: 4247:Paper density 4245: 4243: 4240: 4238: 4235: 4234: 4230: 4228: 4226: 4190: 4187: 4184: 4183: 4153: 4150: 4147: 4146: 4142: 4139: 4136: 4135: 4129: 4123: 4121: 4119: 4115: 4106: 4095: 4090: 4085: 4080: 4075: 4070: 4065: 4060: 4055: 4050: 4045: 4044: 4010: 4009: 4006: 4005: 4004: 3993: 3989: 3988:technical pen 3986:The matching 3984: 3982: 3973: 3966: 3964: 3962: 3949: 3945: 3944:paper folding 3932: 3928: 3926: 3921: 3906: 3904: 3898: 3895: 3892: 3889: 3888: 3887: 3881: 3848: 3845: 3838: 3835: 3830: 3827: 3822: 3816: 3813: 3807: 3802: 3799: 3786: 3783: 3776: 3773: 3768: 3765: 3760: 3754: 3751: 3745: 3740: 3737: 3731: 3726: 3686: 3683: 3676: 3673: 3668: 3665: 3660: 3654: 3651: 3645: 3640: 3637: 3624: 3621: 3614: 3611: 3606: 3603: 3598: 3592: 3589: 3583: 3578: 3575: 3569: 3564: 3523: 3520: 3513: 3510: 3505: 3502: 3497: 3491: 3488: 3482: 3477: 3474: 3461: 3458: 3451: 3448: 3443: 3440: 3435: 3429: 3426: 3420: 3415: 3412: 3406: 3401: 3389: 3388: 3387: 3359: 3356: 3351: 3348: 3343: 3337: 3334: 3328: 3323: 3320: 3309: 3306: 3301: 3298: 3293: 3287: 3284: 3278: 3273: 3270: 3264: 3259: 3254: 3240: 3239: 3238: 3235: 3231: 3227: 3220: 3213: 3211: 3206: 3195: 3189: 3183: 3170: 3152: 3119: 3116: 3111: 3108: 3105: 3100: 3094: 3091: 3085: 3080: 3077: 3064: 3061: 3056: 3051: 3045: 3042: 3036: 3031: 3028: 3022: 3017: 2977: 2974: 2969: 2966: 2963: 2958: 2952: 2949: 2943: 2938: 2935: 2922: 2919: 2914: 2909: 2903: 2900: 2894: 2889: 2886: 2880: 2875: 2834: 2831: 2826: 2823: 2820: 2815: 2809: 2806: 2800: 2795: 2792: 2779: 2776: 2771: 2766: 2760: 2757: 2751: 2746: 2743: 2737: 2732: 2720: 2719: 2718: 2692: 2689: 2686: 2681: 2675: 2672: 2666: 2661: 2658: 2649: 2644: 2638: 2635: 2629: 2624: 2621: 2615: 2610: 2605: 2591: 2590: 2589: 2586: 2582: 2578: 2571: 2564: 2544: 2539: 2527: 2519: 2486: 2483: 2476: 2473: 2468: 2465: 2460: 2454: 2451: 2445: 2440: 2437: 2424: 2421: 2414: 2411: 2406: 2403: 2398: 2392: 2389: 2383: 2378: 2375: 2369: 2364: 2324: 2321: 2314: 2311: 2306: 2303: 2298: 2292: 2289: 2283: 2278: 2275: 2262: 2259: 2252: 2249: 2244: 2241: 2236: 2230: 2227: 2221: 2216: 2213: 2207: 2202: 2161: 2158: 2151: 2148: 2143: 2140: 2135: 2129: 2126: 2120: 2115: 2112: 2099: 2096: 2089: 2086: 2081: 2078: 2073: 2067: 2064: 2058: 2053: 2050: 2044: 2039: 2027: 2026: 2025: 1997: 1994: 1989: 1986: 1981: 1975: 1972: 1966: 1961: 1958: 1947: 1944: 1939: 1936: 1931: 1925: 1922: 1916: 1911: 1908: 1902: 1897: 1892: 1878: 1877: 1876: 1873: 1869: 1865: 1858: 1851: 1827: 1819: 1804: 1796: 1784: 1776: 1762: 1754: 1742: 1734: 1726: 1722: 1718: 1713: 1665: 1650: 1648: 1642: 1636: 1632: 1615: 1610: 1605: 1602: 1599: 1598: 1597: 1594: 1592: 1574: 1570: 1569:square metres 1566: 1562: 1558: 1553: 1551: 1547: 1528: 1517: 1501: 1477: 1453: 1429: 1419: 1411: 1409: 1406: 1404: 1400: 1395: 1391: 1389: 1371: 1361: 1356: 1351: 1346: 1340: 1338: 1322: 1302: 1282: 1279: 1276: 1273: 1270: 1267: 1264: 1242: 1237: 1231: 1228: 1214: 1209: 1205: 1201: 1200:metric system 1183: 1172: 1167: 1163: 1159: 1155: 1152:association ( 1151: 1142: 1138: 1136: 1132: 1128: 1124: 1120: 1102: 1092: 1085: 1067: 1053: 1048: 1043: 1034: 1027: 1020: 1014: 1002: 986: 983: 973: 957: 954: 944: 928: 925: 922: 921: 910: 894: 891: 881: 865: 862: 852: 836: 833: 830: 829: 818: 802: 799: 789: 773: 770: 760: 744: 741: 738: 737: 726: 713: 710: 700: 687: 684: 674: 661: 658: 655: 654: 643: 633: 630: 620: 610: 607: 597: 587: 584: 581: 580: 569: 559: 556: 546: 536: 533: 523: 513: 510: 507: 506: 499: 489: 486: 480: 470: 467: 461: 451: 448: 445: 444: 440: 430: 427: 424: 414: 411: 408: 398: 395: 392: 391: 387: 377: 374: 371: 361: 358: 355: 345: 342: 339: 338: 334: 324: 321: 318: 312: 309: 306: 296: 293: 290: 289: 285: 279: 276: 273: 270: 267: 264: 258: 255: 252: 251: 247: 244: 241: 238: 237: 233: 230: 227: 224: 223: 219: 216: 213: 210: 207: 204: 201: 198: 195: 194: 180: 177: 173: 164: 162: 160: 156: 144: 139: 137: 133: 129: 125: 121: 117: 113: 109: 105: 101: 97: 89: 81: 71: 61: 55: 53: 48: 43: 39: 34: 33: 30: 19: 7081: 6807:27000 series 4829: 4588: 4576:. Retrieved 4572: 4563: 4551:. Retrieved 4547: 4537: 4525:. Retrieved 4520: 4510: 4498:. Retrieved 4489: 4477:. Retrieved 4473: 4464: 4452:. Retrieved 4448: 4439: 4427:. Retrieved 4422: 4409: 4397:. Retrieved 4372:. Retrieved 4363: 4339:. Retrieved 4325: 4321:Briefwechsel 4320: 4304:. Retrieved 4297:Kuhn, Markus 4286: 4274:. Retrieved 4270: 4261: 4224: 4222: 4143:inch × inch 4127: 4117: 4112:The earlier 4111: 3985: 3978: 3961:silver ratio 3929: 3922: 3910: 3902: 3885: 3385: 3233: 3229: 3225: 3218: 3214: 3207: 3187: 3181: 3156: 2716: 2584: 2580: 2576: 2569: 2565: 2540: 2523: 2023: 1871: 1867: 1863: 1856: 1852: 1825: 1817: 1802: 1794: 1782: 1774: 1760: 1752: 1740: 1732: 1724: 1720: 1714: 1688:) wider and 1651: 1646: 1640: 1619: 1595: 1591:postage rate 1554: 1518: 1415: 1407: 1396: 1392: 1359: 1341: 1336: 1166:world format 1147: 1091:aspect ratio 1088: 441:12.8 × 18.0 425:13.9 × 19.7 409:11.7 × 16.5 388:18.0 × 25.5 372:19.7 × 27.8 356:16.5 × 23.4 335:25.5 × 36.1 319:27.8 × 39.4 307:23.4 × 33.1 286:36.1 × 51.1 274:39.4 × 55.7 265:33.1 × 46.8 248:46.8 × 66.2 234:66.2 × 93.6 143:aspect ratio 140: 135: 131: 119: 115: 111: 107: 95: 94: 65: 49: 47:lead section 29: 7171:Metrication 6595:20000–29999 5747:10000–19999 4271:Paper Sizes 4124:Overformats 3931:Rectangular 3907:Application 1550:photocopier 1418:Rectangular 1360:DI Norm 476 1211: [ 503:9.0 × 12.8 484:9.8 × 13.9 465:8.3 × 11.7 271:1000 × 1414 245:1189 × 1682 231:1682 × 2378 172:millimetres 159:millimetres 104:paper sizes 7166:Stationery 7155:Categories 7107:Connectors 7091:Committees 7077:Engschrift 6374:16949 (TS) 5971:11941 (TR) 4669:standards 4374:20 January 4253:References 3992:ISO 9175-1 3946:, such as 3882:Tolerances 3386:Therefore 2717:Therefore 2024:Therefore 1635:sq ft 1611:Properties 1559:, paper's 1412:Advantages 1337:containers 1204:centimetre 1171:Weltformat 1158:Die Brücke 1150:the Bridge 1047:SIS 014711 316:707 × 1000 283:917 × 1297 262:841 × 1189 7072:DIN 91379 7067:DIN 72552 7062:DIN 62056 7057:DIN 47100 7047:DIN 43700 7042:DIN 41612 7037:DIN 31635 6329:15926 WIP 5693:9592/9593 5618:9000/9001 5506:8805/8806 4615:rationale 4578:30 August 4553:30 August 4479:5 October 4474:PaperSize 4399:30 August 4118:Micronorm 3846:≈ 3831:− 3784:≈ 3684:≈ 3669:− 3622:≈ 3521:≈ 3506:− 3459:≈ 3352:− 3210:envelopes 3117:≈ 3109:− 2967:− 2920:≈ 2832:≈ 2824:− 2690:− 2484:≈ 2469:− 2422:≈ 2322:≈ 2307:− 2260:≈ 2159:≈ 2144:− 2097:≈ 1990:− 1633:(11  1274:× 1257:and area 68:June 2023 52:summarize 18:A4 format 7140:DIN rail 7052:DIN 4420 7032:DIN 5009 7027:DIN 5008 7022:DIN 1530 7017:DIN 1451 7012:DIN 1025 6954:Category 4679:List of 4500:18 April 4454:2 August 4368:Archived 4318:(eds.). 4231:See also 4114:DIN 6775 3153:C series 2520:B series 1616:A series 1561:grammage 1546:brochure 1202:using 1 7082:ISO 216 6855:29199-2 6727:23094-2 6722:23094-1 6712:23090-3 6581:19794-5 6576:19775-1 6364:16612-2 6354:16355-1 6043:13406-2 6001:12234-2 5769:10118-3 4276:29 June 4213:⁄ 4204:×  4199:⁄ 4176:⁄ 4167:×  4162:⁄ 4140:mm × mm 4086:Orange 4071:Yellow 4056:Violet 4051:Maroon 4046:Colour 3997:√ 3981:ISO 128 3953:√ 3948:origami 3936:√ 3914:√ 3199:√ 3174:√ 3161:√ 2557:√ 2548:√ 2532:√ 1844:√ 1834:√ 1830:⁠ 1814:⁠ 1808:⁠ 1791:⁠ 1787:⁠ 1771:⁠ 1766:⁠ 1749:⁠ 1745:⁠ 1729:⁠ 1694:0.71 in 1686:0.24 in 1675:⁄ 1657:⁄ 1623:√ 1584:⁄ 1557:ISO 536 1054:History 220:inches 211:inches 202:inches 174:and in 149:√ 132:ISO 269 128:ISO 269 124:ISO 217 114:" and " 96:ISO 216 6869:30000+ 5708:9797-1 5516:8820-5 5461:8501-1 5017:1073-2 5012:1073-1 4696:1–9999 4626:German 4429:8 June 4341:10 May 4332:  4306:10 May 4091:Green 4076:Brown 4066:White 3875:  3713:  3551:  3146:  3004:  2862:  2513:  2351:  2189:  1710:8.3 in 1706:5.8 in 1702:210 mm 1698:148 mm 1664:letter 1577:80 g/m 1154:German 1131:French 1082:, see 1006:1.1 × 977:1.2 × 948:1.0 × 914:1.6 × 885:1.7 × 856:1.5 × 822:2.2 × 793:2.4 × 764:2.0 × 730:3.2 × 704:3.5 × 678:2.9 × 647:4.5 × 637:114 × 624:4.9 × 614:125 × 601:4.1 × 591:105 × 573:6.4 × 563:162 × 550:6.9 × 540:176 × 527:5.8 × 517:148 × 493:229 × 474:250 × 455:210 × 434:324 × 418:353 × 402:297 × 381:458 × 365:500 × 349:420 × 328:648 × 300:594 × 176:inches 98:is an 7133:Rails 6936:80000 6931:56000 6926:55000 6921:50001 6916:45001 6911:42010 6906:40500 6901:39075 6896:38500 6891:37001 6886:32000 6881:31000 6876:30170 6860:29500 6850:29148 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6319:15924 6314:15919 6309:15897 6304:15707 6292:15706 6287:15693 6282:15686 6277:15511 6272:15504 6267:15438 6262:15445 6245:15444 6240:15408 6235:15398 6230:15291 6225:15288 6220:15189 6215:15022 6210:14971 6205:14882 6200:14764 6195:14698 6190:14651 6185:14649 6180:14644 6175:14617 6123:14496 6118:14443 6113:14396 6108:14289 6103:14224 6098:14031 6093:14000 6088:13818 6083:13816 6078:13616 6073:13584 6068:13568 6063:13567 6058:13490 6053:13485 6048:13450 6038:13399 6033:13250 6028:13216 6011:13211 6006:12620 5996:12207 5991:12182 5986:12052 5981:12006 5976:11992 5966:11941 5956:11940 5951:11898 5946:11889 5941:11801 5936:11785 5931:11784 5926:11783 5921:11544 5916:11404 5911:11179 5906:11172 5901:11170 5896:11073 5891:10967 5886:10962 5881:10957 5876:10861 5871:10746 5866:10664 5861:10646 5856:10628 5851:10589 5846:10585 5841:10383 5809:10303 5804:10279 5799:10218 5794:10206 5789:10179 5784:10165 5779:10161 5774:10160 5764:10116 5759:10007 5754:10006 4594:"A00" 4527:6 May 4324:[ 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5546:-5 5541:-4 5536:-3 5531:-2 5526:-1 5389:-1 5167:-3 5162:-2 5157:-1 4925:-6 4920:-5 4915:-3 4910:-2 4905:-1 4793:-9 4788:-8 4783:-7 4778:-6 4773:-5 4768:-4 4763:-3 4758:-1 4753:-0 4748:31 4743:17 4738:16 4687:– 4683:– 4571:. 4546:. 4519:. 4472:. 4447:. 4421:. 4384:^ 4351:^ 4299:. 4269:. 4215:24 4206:66 4201:24 4197:19 4192:46 4169:93 4164:24 4155:66 3963:. 3723:C2 3561:C1 3549:, 3398:C0 3232:× 3228:= 3186:A( 3014:B2 2872:B1 2860:, 2729:B0 2583:× 2579:= 2361:A2 2199:A1 2187:, 2036:A0 1870:× 1866:= 1850:. 1842:1: 1832:= 1805:/2 1789:= 1763:/2 1708:× 1700:× 1659:16 1639:A( 1586:16 1213:de 1156:: 1133:: 1000:40 971:44 942:37 908:57 892:C9 879:62 863:B9 850:52 834:A9 831:9 816:81 800:C8 787:88 771:B8 758:74 742:A8 739:8 711:C7 685:B7 659:A7 656:7 631:C6 608:B6 585:A6 582:6 557:C5 534:B5 511:A5 508:5 487:C4 468:B4 449:A4 446:4 428:C3 412:B3 396:A3 393:3 375:C2 359:B2 343:A2 340:2 322:C1 310:B1 294:A1 291:1 277:C0 268:B0 256:A0 253:0 217:mm 208:mm 199:mm 154::1 145:, 120:A4 6988:e 6981:t 6974:v 5962:) 5958:( 4733:9 4728:7 4723:6 4718:4 4713:3 4708:2 4703:1 4659:e 4652:t 4645:v 4596:. 4582:. 4557:. 4531:. 4504:. 4483:. 4458:. 4433:. 4403:. 4345:. 4310:. 4280:. 4211:5 4208:+ 4194:+ 4178:8 4174:5 4171:+ 4160:5 4157:+ 3999:2 3955:2 3938:2 3916:2 3891:± 3854:m 3839:4 3836:3 3828:2 3823:) 3817:2 3814:1 3808:( 3803:= 3800:L 3792:m 3777:4 3774:1 3769:+ 3766:2 3761:) 3755:2 3752:1 3746:( 3741:= 3738:S 3732:{ 3727:= 3692:m 3677:4 3674:3 3666:1 3661:) 3655:2 3652:1 3646:( 3641:= 3638:L 3630:m 3615:4 3612:1 3607:+ 3604:1 3599:) 3593:2 3590:1 3584:( 3579:= 3576:S 3570:{ 3565:= 3529:m 3514:4 3511:3 3503:0 3498:) 3492:2 3489:1 3483:( 3478:= 3475:L 3467:m 3452:4 3449:1 3444:+ 3441:0 3436:) 3430:2 3427:1 3421:( 3416:= 3413:S 3407:{ 3402:= 3360:4 3357:3 3349:n 3344:) 3338:2 3335:1 3329:( 3324:= 3321:L 3310:4 3307:1 3302:+ 3299:n 3294:) 3288:2 3285:1 3279:( 3274:= 3271:S 3265:{ 3260:= 3255:n 3250:C 3234:L 3230:S 3226:n 3224:C 3219:n 3217:C 3201:2 3188:n 3182:n 3176:2 3163:2 3125:m 3112:1 3106:2 3101:) 3095:2 3092:1 3086:( 3081:= 3078:L 3070:m 3062:= 3057:2 3052:) 3046:2 3043:1 3037:( 3032:= 3029:S 3023:{ 3018:= 2983:m 2978:1 2975:= 2970:1 2964:1 2959:) 2953:2 2950:1 2944:( 2939:= 2936:L 2928:m 2915:1 2910:) 2904:2 2901:1 2895:( 2890:= 2887:S 2881:{ 2876:= 2840:m 2827:1 2821:0 2816:) 2810:2 2807:1 2801:( 2796:= 2793:L 2785:m 2780:1 2777:= 2772:0 2767:) 2761:2 2758:1 2752:( 2747:= 2744:S 2738:{ 2733:= 2693:1 2687:n 2682:) 2676:2 2673:1 2667:( 2662:= 2659:L 2650:n 2645:) 2639:2 2636:1 2630:( 2625:= 2622:S 2616:{ 2611:= 2606:n 2601:B 2585:L 2581:S 2577:n 2575:B 2570:n 2568:B 2559:2 2534:2 2492:m 2477:2 2474:1 2466:2 2461:) 2455:2 2452:1 2446:( 2441:= 2438:L 2430:m 2415:2 2412:1 2407:+ 2404:2 2399:) 2393:2 2390:1 2384:( 2379:= 2376:S 2370:{ 2365:= 2330:m 2315:2 2312:1 2304:1 2299:) 2293:2 2290:1 2284:( 2279:= 2276:L 2268:m 2253:2 2250:1 2245:+ 2242:1 2237:) 2231:2 2228:1 2222:( 2217:= 2214:S 2208:{ 2203:= 2167:m 2152:2 2149:1 2141:0 2136:) 2130:2 2127:1 2121:( 2116:= 2113:L 2105:m 2090:2 2087:1 2082:+ 2079:0 2074:) 2068:2 2065:1 2059:( 2054:= 2051:S 2045:{ 2040:= 1998:2 1995:1 1987:n 1982:) 1976:2 1973:1 1967:( 1962:= 1959:L 1948:2 1945:1 1940:+ 1937:n 1932:) 1926:2 1923:1 1917:( 1912:= 1909:S 1903:{ 1898:= 1893:n 1888:A 1872:L 1868:S 1864:n 1862:A 1857:n 1855:A 1846:2 1836:2 1826:y 1822:/ 1818:x 1803:x 1799:/ 1795:y 1783:y 1779:/ 1775:x 1761:x 1757:/ 1753:y 1741:y 1737:/ 1733:x 1725:y 1721:x 1704:( 1692:( 1684:( 1677:2 1673:1 1670:+ 1668:8 1655:1 1647:n 1641:n 1631:m 1625:2 1582:1 1529:2 1502:2 1478:2 1454:2 1430:2 1372:2 1352:( 1323:y 1303:x 1283:1 1280:= 1277:y 1271:x 1268:= 1265:a 1243:2 1238:= 1232:y 1229:x 1184:2 1168:( 1103:2 1086:. 1068:2 1008:0 1004:0 998:0 995:0 991:0 988:0 979:0 975:0 969:0 966:0 962:0 959:0 950:0 946:0 940:0 937:0 933:0 930:0 916:0 912:0 906:0 903:0 899:0 896:0 887:0 883:0 877:0 874:0 870:0 867:0 858:0 854:0 848:0 845:0 841:0 838:0 824:0 820:0 814:0 811:0 807:0 804:0 795:0 791:0 785:0 782:0 778:0 775:0 766:0 762:0 756:0 753:0 749:0 746:0 732:0 728:0 722:0 718:0 715:0 706:0 702:0 696:0 692:0 689:0 680:0 676:0 670:0 666:0 663:0 649:0 645:0 639:0 635:0 626:0 622:0 616:0 612:0 603:0 599:0 593:0 589:0 575:0 571:0 565:0 561:0 552:0 548:0 542:0 538:0 529:0 525:0 519:0 515:0 501:0 495:0 491:0 482:0 476:0 472:0 463:0 457:0 453:0 436:0 432:0 420:0 416:0 404:0 400:0 383:0 379:0 367:0 363:0 351:0 347:0 330:0 326:0 314:0 302:0 298:0 281:0 260:0 151:2 136:C 134:" 116:C 112:B 108:A 70:) 66:( 56:. 20:)

Index

A4 format

lead section
summarize
provide an accessible overview


international standard
paper sizes
ISO 217
ISO 269
aspect ratio
2:1
millimetres
millimetres
inches




SIS 014711
Square root of 2
aspect ratio
Georg Christoph Lichtenberg
Johann Beckmann
University of Göttingen
French

the Bridge
German

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