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Weight / Mass |
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| Avoirdupois measure |
Standard measure |
| 1 gross ton = 1 long ton = 2240 pounds |
1 tonne = 1 metric ton |
| 1 net ton = 1 short ton = 2000 pounds |
1 tonne = 1000 kilograms |
| 1 pound = 16 ounces = 7000 grains |
1 kilograms = 1000 grams |
| 1 ounce = 16 drachms = 437.5 grains |
1 centigram = 10 milligrams |
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1 decigram = 10 centigrams |
| 1 long ton = 20 hundredweight |
10 decigrams = 1 gram |
| 1 hundredweight = 4 quarters = 112 pounds |
10 grams = 1 dekagram |
| 1 quarter = 2 stone = 28 pounds |
10 dekagrams = 1 hectogram |
| 1 quintal = 100 pounds |
10 hectograms = 1 kilogram |
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| Troy weight (measure of gold and silver) |
Apothecaries weight |
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| 1 pound = 12 ounces = 5760 grains |
1 pound = 12 ounces = 5760 grains |
| 1 ounce = 20 pennyweights = 480 grains |
1 ounce = 8 drachms = 480 grains |
| 1 pennyweight = 24 grains |
1 drachm = 3 scruples = 60 grains |
| 1 carat (diamond) = 3.086 grains |
1 scruple = 20 grains |
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Conversion factors |
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1 long ton = 1.016 tonnes : 1 tonne = 0.9842 tons (long) |
1 short ton = 0.9071 tonnes : 1 tonne = 1.1024 tons (short) |
1 pound = 0.4536 kilograms : 1 kilogram = 2.2046 pounds (avoirdupois) |
1 grain = 0.0648 grams : 1 gram = 15.432 grains |
1 grain (avoidupois) = 1 grain (troy) = 1 grain (apothecaries) |
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