Machinery's Handbook, 31st Edition
2858
Mass and Weight Conversion Factors Units of Mass and Weight Table 29. Mass and Weight Conversion Factors Metric System
Avoirdupois or Commercial Weight
1 metric ton (t) =
1 gross or long ton = 2240 pounds 1.016 metric ton 1016 kilograms 1 net or short ton = 2000 pounds 1 pound = 16 ounces 7000 grains 0.45359237 kilogram 453.6 grams 1 ounce = 1 ∕ 16 pound
1000 kilograms 2204.6223 pounds
0.9842 gross or long ton (of 2240 pounds) 0.9072 net or short ton (of 2000 pounds)
1 kilogram (kg) = 1000 grams = 10 hectograms 2.2046 pounds 35.274 ounces avoirdupois 1 hectogram (hg) = 10 dekagrams 1 dekagram (dag) = 10 grams 1 gram (g) = 10 decigrams 0.0022046 pound 0.03215 ounce Troy 0.03527 ounce avoirdupois 15.432 grains 1 decigram (dg) = 10 centigrams 1 centigram (cg) = 10 milligrams Troy Weight Used for Weighing Gold and Silver 1 pound Troy = 12 ounces Troy = 5760 grains 144 ∕ 175 avoirdupois pound 1 ounce Troy = 20 pennyweights = 480 grains 31.103 grams 1 pennyweight = 24 grains 1 grain Troy = 1 grain avoirdupois 1 grain apothecaries’ weight 0.0648 gram 1 carat (used in weighing diamonds) = 3.086 grains 200 milligrams = 1 ∕ 5 gram 1 gold karat = 1 ∕ 24 proportion pure gold
16 drachms 437.5 grains 28.3495 grams 0.2780139 newton 1 grain Avoirdupois =
1 grain apothecaries’ weight = 1 grain Troy weight 0.064799 gram
Apothecaries’ Weight 1 pound = 12 ounces = 5760 grains 1 ounce = 8 drachms = 480 grains 31.103 grams 1 drachm = 3 scruples = 60 grains 1 scruple = 20 grains Old Weight Measures Measures for weight seldom used in the United States: 1 gross or long ton = 20 hundred-weights 1 hundred-weight = 4 quarters = 112 pounds 1 quarter = 28 pounds 1 stone = 14 pounds 1 quintal = 100 pounds
Note : Figures in Bold indicate exact conversion values Table 30a. Pounds to Kilograms Conversion
lb
kg
lb
kg
lb 10 20 30 40 50 60 70 80 90
kg
lb
kg
lb
kg
1,000 2,000
453.59 907.18
100 200 300 400 500 600 700 800 900
45.36 90.72 136.08 181.44 226.80 272.16 317.51 362.87 408.23
4.54 9.07 13.61 18.14 22.68 27.22 31.75 36.29 40.82 45.36
1 2 3 4 5 6 7 8 9
0.45 0.91 1.36 1.81 2.27 2.72 3.18 3.63 4.08 4.54
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
0.05 0.09 0.14 0.18 0.23 0.27 0.32 0.36 0.41 0.45
3,000 1,360.78 4,000 1,814.37 5,000 2,267.96 6,000 2,721.55 7,000 3,175.15 8,000 3,628.74 9,000 4,082.33 10,000 4,535.92
1,000 453.59
100
10
1 pound = 0.4535924 kilogram
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