US m∞rn² systΘm
V∞tÜina jednotek US m∞rnΘho systΘmu je spoleΦnß s imperißlnφm (UK) systΘmem. Nejv∞tÜφ rozdφly jsou v m∞°enφ objemu - US gallon je menÜφ ne₧ stejnß jednotka v UK systΘmu.
DΘlka |
Plocha |
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12 inches = 1 foot 3 feet = 1 yard 220 yards = 1 furlong 8 furlongs = 1 mile 5280 feet = 1 mile 1760 yards = 1 mile |
144 sq. inches = 1 square foot 9 sq. feet = 1 square yard 4840 sq. yards = 1 acre 640 acres = 1 square mile 1 square mile = 1 section 36 sections = 1 township |
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Objem |
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1728 cu. inches = 1 cubic foot 27 cu. feet = 1 cubic yard |
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Objem (such²) |
Objem (mokr²) |
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2 pints = 1 quart 8 quarts = 1 peck 4 pecks = 1 bushel |
16 fluid ounces = 1 pint 4 gills = 1 pint 2 pints = 1 quart 4 quarts = 1 gallon (8 pints) |
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Hmotnost |
TrojskΘ hmotnosti |
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437,5 grains = 1 ounce 16 ounces = 1 pound (7000 grains) 14 pounds = 1 stone 100 pounds = 1 hundredweight [cwt] 20 cwt = 1 ton (2000 pounds) |
24 grains = 1 pennyweight 20 pennyweights = 1 ounce (480 grains) 12 ounces = 1 pound (5760 grains) |
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Apothecaries |
Hmotnosti (Apothecaries) |
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60 minims = 1 fl. drachm 8 fl.drachms = 1 fl. ounce 16 fl. ounces = 1 pint |
20 grains = 1 scruple 3 scruples = 1 drachm 8 drachms = 1 ounce (480 grains) 12 ounces = 1 pound (5760 grains) |
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Stejn∞ jako jednotky UK systΘmu byly US mφry p∙vodn∞ definovßny na zßklad∞ t∞lesn²ch rozm∞r∙. Nynφ jsou vÜechny jednotky definovßny ve svΘm vztahu k jednotkßm SI. Tyto definice jsou p°esnΘ.
1 yard = 0,9144 [m] - stejnß jako UK
1 pound = 0,453 592 37 [kg] - stejnß jako UK
1 gallon = 3,785 411 784 [l] - rozdφlnΘ od UK
1 bushel = 35,239 070 166 88 l
US gallon mß rozdφlnou velikost ne₧ UK gallon. Äßdnß "tekutß" mφra stejnΘho jmΘna nemß v US a UK systΘmu stejnou velikost.
Podobn∞ US ton je 2000 liber (pounds) zatφmco UK ton je 2240 liber. Tyto mφry jsou naz²vßny short ton a long ton.
