416:
3067:
36:
682:. The troy ounce is the only unit of the system in current use; it is used for precious metals. Although the troy ounce is larger than its avoirdupois equivalent, the pound is smaller. The obsolete troy pound was divided into 12 ounces, rather than the 16 ounces per pound of the avoirdupois system. The apothecaries' system was traditionally used in
318:, is used to select a small number of base quantities for which a unit is defined for each, from which all other units may be derived. Secondary units (multiples and submultiples) are derived from these base and derived units by multiplying by powers of ten. For example, where the unit of length is the
220:
The preference for a more universal and consistent system only gradually spread with the growth of international trade and science. Changing a measurement system has costs in the near term, which often results in resistance to such a change. The substantial benefit of conversion to a more rational
377:
In the United States metric units are virtually always used in science, frequently in the military, and partially in industry. U.S. customary units are primarily used in U.S. households. At retail stores, the litre (spelled 'liter' in the U.S.) is a commonly used unit for volume, especially on
196:
were defined locally: the different units might be defined independently according to the length of a king's thumb or the size of his foot, the length of stride, the length of arm, or maybe the weight of water in a keg of specific size, perhaps itself defined in
863:
pitches are not of a fixed size, but instead can vary within defined limits (100–130 yd or 91.4–118.9 m long, and 50–100 yd or 45.7–91.4 m wide, giving an area of 5,000 to 13,000 sq yd or 4,181 to 10,870 m). However the
426:
of units have evolved since the adoption of the first well-defined system in France in 1795. During this evolution the use of these systems has spread throughout the world, first to non-English-speaking countries, and then to
English speaking countries.
843:
public media for the sizes of large buildings or parks. It is used both as a unit of length (100 yd or 91.4 m, the length of the playing field excluding goal areas) and as a unit of area (57,600 sq ft or 5,350 m), about 1.32
221:
and internationally consistent system of measurement has been recognized and promoted by scientists, engineers, businesses and politicians, and has resulted in most of the world adopting a commonly agreed metric system.
359:, with partial transition to the metric system. U.S. units are used in limited contexts in Canada due to the large volume of trade with the U.S. There is also considerable use of imperial weights and measures, despite
705:
in such a manner that selected physical constants take on the numerical value of one when expressed in terms of those units. Natural units are so named because their definition relies on only properties of
267:, are derived from the base quantities: for example, speed is distance per unit time. Historically a wide range of units was used for the same type of quantity. In different contexts length was measured in
569:, but in all these countries they have been largely supplanted by the metric system. They are still used for some applications in the United Kingdom but have been mostly replaced by the metric system in
2071:
593:
1004:
is the international standard describing three letter codes (also known as the currency code) to define the names of currencies established by the
International Organization for Standardization (ISO).
1318:
589:
have been made (mainly in the late 1960s and early 1970s), the customary units have a strong hold due to the vast industrial infrastructure and commercial development.
1871:
2116:
467:
53:
475:
2066:
536:
1689:
3042:
2110:
471:
459:) were a system of measurement introduced as a compromise between the metric system and traditional measurements. It was used in France from 1812 to 1839.
366:
A number of other jurisdictions have laws mandating or permitting other systems of measurement in some or all contexts, such as the United
Kingdom – whose
2638:
2385:
1556:
1183:
1152:
445:
for mass. The other units of length and mass, and all units of area, volume, and derived units such as density were derived from these two base units.
2663:
1726:
1581:
1193:
148:
and rules relating them to each other. Systems of measurement have historically been important, regulated and defined for the purposes of science and
2658:
2375:
2195:
1576:
1114:
686:, but has now been replaced by the metric system; it shared the same pound and ounce as the troy system but with different further subdivisions.
616:; however, the US and, formerly, India retained older definitions for surveying purposes. This gave rise to the US survey foot for instance. The
1399:
613:
2694:
2689:
2643:
2294:
2284:
2185:
1561:
1394:
100:
2699:
2269:
2207:
1864:
1198:
819:
72:
1844:
2633:
2420:
1551:
1434:
1148:
1121:
314:
In the metric system and other recent systems, underlying relationships between quantities, as expressed by formulae of physics such as
632:
of 2240 lb. The stone is not used in the US and the hundredweights and tons are short: 100 lb and 2000 lb respectively.
2758:
2673:
2648:
2501:
2249:
1591:
1566:
1384:
1359:
1262:
1096:
643:(ml), is slightly larger than the imperial fluid ounce (about 28.4 ml). However, as there are 16 US fl oz to a US
79:
1763:
Measures and
Weights in the Islamic World. An English Translation of Professor Walther Hinz's Handbook "Islamische MaĂźe und Gewichte"
2557:
2076:
1798:
1770:
1644:
1483:
434:. This relationship is compatible with the decimal system of numbers and it contributes greatly to the convenience of metric units.
119:
2948:
2527:
2491:
2400:
2138:
1453:
1203:
1081:
1828:
901:, and its multiples the kiloton, the megaton, and the gigaton. Often used in stating the power of very energetic events such as
86:
2613:
2598:
2552:
2430:
2405:
2390:
2350:
2274:
1857:
1537:
1522:
1374:
1233:
1208:
1188:
1163:
868:
field must be exactly 105 by 68 m (114.83 by 74.37 yd) giving an area of 7,140 m (0.714 ha) or 8,539
2608:
2593:
2583:
2573:
2511:
2481:
2451:
2415:
2340:
2259:
2234:
2229:
2224:
2217:
1921:
1532:
1517:
1507:
1497:
1478:
1344:
1339:
1334:
1272:
1218:
1141:
1131:
1101:
1071:
1046:
169:
57:
1840:
A Reference to
Spanish and French land measures (and their English equivalents with conversion tables) used in North America
887:
Larger areas are also expressed as a multiple of the areas of states and countries understood to be familiar to the reader.
259:
have only length, mass, and time as base quantities, with no separate electromagnetic dimension. Other quantities, such as
68:
2767:
2603:
2578:
2542:
2506:
2486:
2476:
2461:
2456:
2446:
2355:
2279:
2180:
1911:
1901:
1820:
1773:. This work is an annotated translation of a work in German by the late German orientalist Walther Hinz, published in the
1624:
1527:
1502:
1468:
1389:
1302:
1238:
1168:
1091:
1086:
1076:
1066:
1051:
1041:
1036:
710:
and not on any human construct. Varying systems of natural units are possible, depending on the choice of constants used.
554:
486:
410:
367:
153:
2668:
2588:
2547:
2537:
2466:
2370:
2309:
2304:
2264:
2254:
2244:
2239:
2143:
2045:
2040:
1959:
1954:
1916:
1609:
1586:
1512:
1473:
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1429:
1404:
1364:
1354:
1349:
1282:
1267:
1248:
1136:
1061:
1056:
1018:
Throughout history, many official systems of measurement have been used. While no longer in official use, some of these
352:
1993:
2496:
2471:
2410:
2360:
2345:
2335:
2299:
2190:
2153:
2122:
1701:
1409:
1312:
1213:
1173:
1126:
463:
2532:
2380:
2314:
2212:
2158:
2148:
1639:
1458:
1439:
1424:
1379:
1369:
1329:
1277:
1223:
1178:
1158:
856:
315:
1750:
3091:
2425:
1964:
1228:
495:
or SI). It is a system in which all units can be expressed in terms of seven units. The units that serve as the
3006:
647:
and 20 imp fl oz per imperial pint, the imperial pint is about 20% larger. The same is true of
3047:
1988:
1939:
1414:
787:
739:
717:
667:
566:
165:
93:
46:
1737:
2751:
1013:
877:
729:
187:
1880:
865:
479:
430:
Multiples and submultiples of metric units are related by powers of ten and their names are formed with
1839:
3096:
1649:
1619:
981:
721:
698:
181:
145:
232:, and this has spread around the world, replacing most customary units of measure. In most systems,
3032:
2653:
2173:
2104:
1604:
1571:
205:. The unifying characteristic is that there was some definition based on some standard. Eventually
415:
2168:
1944:
1634:
702:
544:
340:
419:
A baby bottle that measures in three measurement systems—metric, imperial (UK), and US customary
3070:
2956:
2744:
1794:
1766:
1732:
1669:"Statutory Instrument 2002 No. 3113 The Traffic Signs Regulations and General Directions 2002"
832:
779:
757:
578:
225:
2200:
783:
753:
448:
774:. The atomic units have been chosen to use several constants relating to the electron: the
581:
applications. US customary units, however, are still the main system of measurement in the
2823:
2365:
1832:
1629:
969:
662:
system served as the general system of mass and weight. In addition to this there are the
452:
304:
260:
252:
1777:, erste Abteilung, Ergänzungsband I, Heft 1, Leiden, The Netherlands: E. J. Brill, 1970.
2976:
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2715:
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1906:
898:
803:
767:
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671:
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540:
371:
256:
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2163:
2035:
2003:
1975:
1825:
840:
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694:
625:
582:
550:
423:
406:
386:
378:
bottles of beverages, and milligrams, rather than grains, are used for medications.
344:
308:
300:
272:
229:
161:
2981:
2938:
2923:
2878:
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2775:
2720:
2008:
1998:
1983:
1419:
1307:
1297:
941:
763:
749:
735:
683:
675:
621:
592:
While imperial and US customary systems are closely related, there are a number of
558:
496:
288:
322:; a distance of 1 metre is 1,000 millimetres, or 0.001 kilometres.
17:
742:
is included in the list of defining constants. It is based on only properties of
2853:
2808:
2319:
2050:
1949:
1668:
1324:
1287:
910:
869:
807:
663:
659:
636:
617:
601:
586:
520:
390:
331:
35:
1292:
937:
743:
640:
574:
284:
1751:
Financial
Accounting Standards Research Initiative: The Unit of Account Issue
839:(91.4 m) long by 160 feet (48.8 m) wide. This is often used by the
217:
gave way to "customary units" to meet the needs of merchants and scientists.
2918:
2833:
902:
799:
462:
A number of variations on the metric system have been in use. These include
431:
149:
1765:, with a foreword by Professor Bosworth, F.B.A. Kuala Lumpur, ISTAC, 2002,
251:
Later science developments showed that an electromagnetic quantity such as
1810:
635:
Where these systems most notably differ is in their units of volume. A US
2798:
1849:
1001:
973:
952:
914:
906:
795:
771:
679:
570:
504:
255:
or electric current could be added to extend the set of base quantities.
27:
Collection of units of measurement and rules relating them to each other
2986:
2971:
2913:
2843:
2838:
2788:
2725:
1023:
977:
926:
849:
524:
348:
292:
3001:
2903:
2813:
2793:
2783:
2395:
1614:
922:
860:
791:
707:
655:, etc.; six US gallons are a little less than five imperial gallons.
652:
516:
512:
508:
280:
233:
1815:
972:
in economics and unit of measure in accounting. This is normally a
948:
as a unit of energy. (Its yield was roughly 13 kilotons, or 60 TJ.)
3016:
3011:
2996:
2873:
2868:
2863:
2848:
2803:
965:
945:
930:
648:
500:
438:
414:
356:
319:
276:
264:
207:
1727:"Sad sight of a superferry laid up due to soaring jet fuel bills"
2991:
2933:
2928:
995:
918:
873:
845:
836:
644:
609:
605:
597:
485:
The current international standard for the metric system is the
442:
394:
296:
268:
241:
237:
213:
2740:
1853:
311:, with conversion factors that were not based on power of ten.
2966:
2893:
2883:
629:
336:
Metrication is complete or nearly complete in most countries.
29:
925:
has been defined as 1000 thermochemical calories (1,000
624:(lb). The imperial system uses a stone of 14 lb, a long
1811:
CLDR – Unicode localization of currency, date, time, numbers
2736:
382:
1022:
are occasionally used in day-to-day life, for instance in
437:
In the early metric system there were two base units, the
620:
units of mass and weight differ for units larger than a
1702:"Units and Dimension Standard - 2021 - SOLIDWORKS Help"
612:, etc.) have been identical since the adoption of the
370:, for instance, only allows distance signs displaying
3025:
2947:
2822:
2774:
2708:
2682:
2626:
2566:
2520:
2439:
2328:
2131:
2097:
2090:
2059:
2028:
2021:
1974:
1932:
1894:
1887:
60:. Unsourced material may be challenged and removed.
770:, particularly for describing the properties of
561:. Imperial units were mostly used in the former
822:also found in books, newspapers etc., include:
1671:. Her Majesty's Stationery Office (HMSO). 2002
752:is a system of geometrized units in which the
482:, millimetre–gram–second (mmgs) is also used.
385:units are still in international use, such as
2752:
1865:
537:Imperial and US customary measurement systems
157:
8:
738:is system of geometrized units in which the
490:
3043:Historical definitions of the SI base units
2759:
2745:
2737:
2094:
2025:
1891:
1872:
1858:
1850:
794:in this system is the total energy of the
980:or a fraction thereof; for instance, the
120:Learn how and when to remove this message
940:. Its energy yield is often used in the
478:(mks). In some engineering fields, like
1660:
1115:History of measurement systems in India
855:British media also frequently uses the
670:. Troy weight was customarily used for
964:A unit of measurement that applies to
746:rather than of any object or particle.
614:International Yard and Pound Agreement
1845:The Unified Code for Units of Measure
1826:Measures from Antiquity and the Bible
7:
1816:A Dictionary of Units of Measurement
1791:Smoot's Ear: The Measure of Humanity
474:(mts) once used in the USSR and the
58:adding citations to reliable sources
1725:Henry, Lesley-Anne (23 June 2007).
182:Units of measurement § History
1902:International System of Units (SI)
882:about the size of a football pitch
859:for equivalent purposes, although
25:
1690:HK Weights and Measures Ordinance
1645:Unified Code for Units of Measure
1008:Historical systems of measurement
374:(miles or yards) – or Hong Kong.
3066:
3065:
596:. Units of length and area (the
69:"System of units of measurement"
34:
835:, which has a playing area 100
732:are among the constants chosen.
531:Imperial and US customary units
363:Canadian conversion to metric.
152:. Instances in use include the
45:needs additional citations for
3053:System of units of measurement
938:atom bomb dropped on Hiroshima
820:Non-standard measurement units
766:are a system of units used in
713:Some examples are as follows:
701:defined in terms of universal
492:Système international d'unités
468:centimetre–gram–second systems
393:in aviation and shipping, and
170:United States customary system
134:system of units of measurement
1:
1912:US customary units (USCS/USC)
1625:Medieval weights and measures
487:International System of Units
470:(cgs) useful in science, the
411:International System of Units
154:International System of Units
1835: (archived May 10, 2008)
1610:History of the metric system
806:. The unit of length is the
476:metre–kilogram–second system
353:Burmese units of measurement
1838:Reasonover's Land Measures
585:. While some steps towards
343:remain heavily used in the
3113:
1775:Handbuch der Orientalistik
1640:Pseudoscientific metrology
1112:
1011:
628:of 112 lb and a long
534:
404:
329:
185:
179:
3061:
1965:English Engineering Units
1789:Tavernor, Robert (2007),
880:are aluminium catamarans
639:(fl oz), about 29.6
472:metre–tonne–second system
3007:minute and second of arc
1761:M. Ismail Marcinkowski,
718:Geometrized unit systems
594:differences between them
368:road signage legislation
160:(the modern form of the
3048:2019 revision of the SI
2004:Quantum chromodynamical
1829:Antiquity and the Bible
833:American football field
788:reduced Planck constant
740:reduced Planck constant
397:for aircraft altitude.
316:Newton's laws of motion
166:British imperial system
2117:centimetre–gram–second
1881:Systems of measurement
1014:History of measurement
730:gravitational constant
491:
457:customary measurements
420:
347:and to some degree in
194:systems of measurement
188:History of measurement
2639:Biblical and Talmudic
2105:metre–kilogram–second
1557:Biblical and Talmudic
1153:Biblical and Talmudic
994:of a dollar), or the
866:UEFA Champions League
668:apothecaries' systems
480:computer-aided design
464:gravitational systems
418:
186:Further information:
144:, is a collection of
142:system of measurement
2949:Other accepted units
1821:Old units of measure
1656:Notes and references
1650:Weights and measures
1620:Level of measurement
921:of TNT as a unit of
724:. In these systems,
722:relativistic physics
699:units of measurement
567:British Commonwealth
557:derive from earlier
146:units of measurement
54:improve this article
3033:Conversion of units
1706:help.solidworks.com
1605:Conversion of units
441:for length and the
2826:with special names
2111:metre–tonne–second
1907:UK imperial system
1635:Petrograd Standard
815:Non-standard units
703:physical constants
555:US customary units
545:US customary units
421:
341:US customary units
136:, also known as a
18:Measurement system
3079:
3078:
2957:astronomical unit
2734:
2733:
2622:
2621:
2086:
2085:
2077:Foot–pound–second
2017:
2016:
1994:Heaviside–Lorentz
1733:Belfast Telegraph
1020:customary systems
960:Units of currency
876:). For example, "
780:elementary charge
758:elementary charge
228:gave rise to the
226:French Revolution
130:
129:
122:
104:
16:(Redirected from
3104:
3092:Systems of units
3069:
3068:
2761:
2754:
2747:
2738:
2201:Mesures usuelles
2095:
2026:
1892:
1874:
1867:
1860:
1851:
1778:
1759:
1753:
1748:
1742:
1741:
1736:. Archived from
1722:
1716:
1715:
1713:
1712:
1698:
1692:
1687:
1681:
1680:
1678:
1676:
1665:
993:
992:
988:
784:Coulomb constant
754:Coulomb constant
494:
449:Mesures usuelles
326:Current practice
159:
125:
118:
114:
111:
105:
103:
62:
38:
30:
21:
3112:
3111:
3107:
3106:
3105:
3103:
3102:
3101:
3082:
3081:
3080:
3075:
3057:
3038:Metric prefixes
3021:
2943:
2825:
2818:
2770:
2765:
2735:
2730:
2704:
2678:
2618:
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2516:
2435:
2324:
2127:
2082:
2055:
2013:
1970:
1928:
1883:
1878:
1833:Wayback Machine
1807:
1786:
1781:
1760:
1756:
1749:
1745:
1724:
1723:
1719:
1710:
1708:
1700:
1699:
1695:
1688:
1684:
1674:
1672:
1667:
1666:
1662:
1658:
1630:Megalithic yard
1601:
1596:
1547:
1542:
1493:
1488:
1449:
1444:
1258:
1253:
1117:
1111:
1106:
1032:
1016:
1010:
998:and euro cent.
990:
986:
985:
970:unit of account
962:
894:
828:
817:
802:and called the
692:
672:precious metals
547:
535:Main articles:
533:
413:
405:Main articles:
403:
381:Some other non-
334:
328:
253:electric charge
246:base quantities
190:
184:
178:
138:system of units
126:
115:
109:
106:
63:
61:
51:
39:
28:
23:
22:
15:
12:
11:
5:
3110:
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3027:
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3004:
2999:
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2844:degree Celsius
2841:
2836:
2830:
2828:
2824:Derived units
2820:
2819:
2817:
2816:
2811:
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2801:
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2772:
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2764:
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2741:
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2723:
2718:
2716:Absolute scale
2712:
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2702:
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551:imperial units
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351:. Traditional
330:Main article:
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497:SI base units
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162:metric system
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65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
3052:
2982:electronvolt
2664:Mesopotamian
2558:Puerto Rican
1955:Astronomical
1790:
1784:Bibliography
1774:
1762:
1757:
1746:
1738:the original
1730:
1720:
1709:. Retrieved
1705:
1696:
1685:
1673:. Retrieved
1663:
1582:Mesopotamian
1484:Puerto Rican
1243:
1194:Mesopotamian
1019:
1017:
1000:
976:issued by a
968:is called a
963:
944:and popular
942:public media
881:
818:
764:Atomic units
750:Stoney units
736:Planck units
712:
693:
684:pharmacology
676:black powder
657:
634:
591:
548:
484:
461:
456:
447:
436:
429:
422:
380:
376:
365:
360:
355:are used in
338:
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236:(distance),
223:
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141:
137:
133:
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116:
107:
97:
90:
83:
76:
64:
52:Please help
47:verification
44:
3097:Measurement
2528:Costa Rican
2492:Seychellois
2401:Singaporean
2196:Traditional
2051:Metrication
1989:Geometrised
1945:Avoirdupois
1454:Costa Rican
1425:Switzerland
1204:Singaporean
1082:Seychellois
917:impacts. A
911:earthquakes
909:events and
878:HSS vessels
848:(0.53
808:Bohr radius
660:avoirdupois
641:millilitres
637:fluid ounce
618:avoirdupois
587:metrication
332:Metrication
110:August 2015
3086:Categories
2776:Base units
2614:Venezuelan
2599:Paraguayan
2553:Nicaraguan
2431:Vietnamese
2406:Sri Lankan
2391:Philippine
2351:Indonesian
2275:Portuguese
2169:Winchester
2072:Comparison
2022:Background
1960:Electrical
1711:2024-01-11
1538:Venezuelan
1523:Paraguayan
1479:Nicaraguan
1380:Portuguese
1234:Vietnamese
1209:Sri Lankan
1189:Philippine
1164:Indonesian
1113:See also:
903:explosions
870:sq yd
744:free space
579:industrial
575:scientific
571:commercial
180:See also:
168:, and the
80:newspapers
2919:steradian
2834:becquerel
2609:Uruguayan
2594:Colombian
2584:Brazilian
2574:Argentine
2512:Tanzanian
2482:Mauritian
2452:Ethiopian
2416:Taiwanese
2386:Pakistani
2366:Mongolian
2341:Cambodian
2260:Norwegian
2230:Icelandic
2225:Hungarian
2218:Byzantine
2174:Exchequer
1922:Hong Kong
1533:Uruguayan
1518:Colombian
1508:Brazilian
1498:Argentine
1370:Norwegian
1340:Icelandic
1321:(to 1795)
1273:Byzantine
1219:Taiwanese
1184:Pakistani
1142:Hong Kong
1132:Cambodian
1102:Tanzanian
1072:Mauritian
1047:Ethiopian
982:US dollar
897:A ton of
800:Bohr atom
772:electrons
680:gemstones
339:However,
3071:Category
3026:See also
2799:kilogram
2768:SI units
2695:Obsolete
2690:Humorous
2644:Egyptian
2604:Peruvian
2579:Bolivian
2543:Honduran
2507:Tunisian
2487:Moroccan
2477:Malagasy
2462:Eritrean
2457:Egyptian
2447:Algerian
2376:Nepalese
2356:Japanese
2290:Scottish
2280:Romanian
2181:Estonian
2091:Historic
2067:Overview
2036:Overview
1933:Specific
1675:18 March
1599:See also
1562:Egyptian
1528:Peruvian
1503:Bolivian
1469:Honduran
1400:Scottish
1390:Romanian
1303:Estonian
1239:Nepalese
1169:Japanese
1092:Tunisian
1087:Somalian
1077:Moroccan
1067:Malagasy
1052:Eritrean
1042:Egyptian
1037:Algerian
1002:ISO 4217
974:currency
953:dynamite
915:asteroid
907:volcanic
841:American
796:electron
786:and the
756:and the
728:and the
666:and the
565:and the
505:kilogram
499:are the
432:prefixes
293:furlongs
203:knuckles
150:commerce
2987:hectare
2972:decibel
2914:sievert
2909:siemens
2839:coulomb
2789:candela
2726:Modulor
2700:Unusual
2669:Persian
2627:Ancient
2589:Chilean
2548:Mexican
2538:Haitian
2467:Guinean
2371:Myanmar
2310:Swedish
2305:Spanish
2295:Serbian
2285:Russian
2265:Ottoman
2255:Maltese
2245:Latvian
2240:Italian
2186:Finnish
2164:English
2144:Cypriot
2139:Cornish
2046:History
2041:Outline
1976:Natural
1917:Chinese
1895:General
1888:Current
1831:at the
1587:Persian
1545:Ancient
1513:Chilean
1464:Haitian
1430:Turkish
1420:Swedish
1415:Spanish
1405:Serbian
1395:Russian
1365:Maltese
1355:Latvian
1350:Italian
1335:Hungary
1308:Finnish
1298:English
1283:Cypriot
1268:Belgian
1249:Myanmar
1199:Persian
1137:Chinese
1057:Guinean
1024:cooking
989:⁄
978:country
872:(1.764
798:in the
653:gallons
525:candela
361:de jure
349:Liberia
309:leagues
281:fathoms
214:strides
176:History
164:), the
94:scholar
3002:minute
2962:dalton
2904:radian
2899:pascal
2889:newton
2814:second
2794:kelvin
2784:ampere
2721:N-body
2659:Indian
2634:Arabic
2497:Somali
2472:Libyan
2440:Africa
2411:Syrian
2361:Korean
2346:Indian
2336:Afghan
2300:Slovak
2270:Polish
2208:German
2191:French
2154:Danish
2132:Europe
2098:Metric
2029:Metric
2009:Stoney
1999:Planck
1984:Atomic
1797:
1769:
1615:ISO 31
1577:Indian
1552:Arabic
1474:Mexico
1410:Slovak
1375:Polish
1325:German
1319:French
1313:French
1288:Danish
1256:Europe
1214:Syrian
1174:Korean
1149:Hebrew
1122:Arabic
1062:Libyan
1030:Africa
923:energy
892:Energy
861:soccer
792:energy
782:, the
778:, the
708:nature
649:quarts
577:, and
543:, and
523:, and
517:kelvin
513:ampere
509:second
466:, the
453:French
305:stadia
289:chains
269:inches
240:, and
234:length
208:cubits
96:
89:
82:
75:
67:
3017:tonne
3012:neper
2997:litre
2939:weber
2924:tesla
2879:lumen
2874:katal
2869:joule
2864:hertz
2859:henry
2849:farad
2804:metre
2709:Other
2674:Roman
2654:Hindu
2649:Greek
2533:Cuban
2421:Tatar
2381:Omani
2320:Welsh
2315:Swiss
2235:Irish
2213:Greek
2159:Dutch
2149:Czech
2119:(CGS)
2113:(MTS)
2107:(MKS)
2079:(FPS)
2060:UK/US
1592:Roman
1572:Hindu
1567:Greek
1459:Cuban
1440:Welsh
1435:Tatar
1385:Roman
1345:Irish
1330:Greek
1315:(now)
1293:Dutch
1278:Czech
1224:Tamil
1179:Omani
1159:Hindu
1127:Afgan
966:money
946:books
874:acres
846:acres
837:yards
622:pound
549:Both
501:metre
439:metre
391:knots
357:Burma
320:metre
297:miles
277:yards
265:speed
261:power
199:hands
101:JSTOR
87:books
2992:hour
2934:watt
2929:volt
2854:gray
2809:mole
2426:Thai
2396:Pegu
2329:Asia
1967:(US)
1950:Troy
1795:ISBN
1767:ISBN
1731:The
1677:2010
1229:Thai
1109:Asia
996:euro
936:The
919:gram
913:and
905:and
831:The
826:Area
697:are
678:and
664:troy
658:The
645:pint
610:mile
606:yard
602:foot
598:inch
553:and
521:mole
455:for
443:gram
409:and
395:feet
389:and
285:rods
273:feet
263:and
244:are
242:time
238:mass
224:The
211:and
201:and
73:news
2967:day
2894:ohm
2884:lux
991:100
927:cal
630:ton
156:or
140:or
56:by
3088::
1793:,
1729:.
1704:.
1026:.
933:).
884:."
852:).
850:ha
674:,
651:,
608:,
604:,
600:,
573:,
539:,
527:.
519:,
515:,
511:,
507:,
503:,
383:SI
307:,
303:,
299:,
295:,
291:,
287:,
283:,
279:,
275:,
271:,
248:.
172:.
158:SI
132:A
2760:e
2753:t
2746:v
1873:e
1866:t
1859:v
1714:.
1679:.
1155:)
1151:(
987:1
955:.
931:J
810:.
489:(
451:(
123:)
117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
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