British Imperial and U.S. Customary systems of weights and measures

British Imperial and U.S. Customary systems of weights and measures

Table
British Imperial and U.S. Customary systems of weights and measures
unit abbreviation
or symbol equivalents in other units
of same system metric
equivalent
Weight
Avoirdupois1 avdp
ton
  short ton 20 short hundredweight, or 2,000 pounds 0.907 metric ton
  long ton 20 long hundredweight, or 2,240 pounds 1.016 metric tons
hundredweight cwt
  short hundredweight 100 pounds, or 0.05 short ton 45.359 kilograms
  long hundredweight 112 pounds, or 0.05 long ton 50.802 kilograms
pound lb, lb avdp, or # 16 ounces, or 7,000 grains 0.454 kilogram
ounce oz, or oz avdp 16 drams, 437.5 grains, or 0.0625 pound 28.350 grams
dram dr, or dr avdp 27.344 grains, or 0.0625 ounce 1.772 grams
grain gr 0.037 dram, or 0.002286 ounce 0.0648 gram
stone st 0.14 short hundredweight, or 14 pounds 6.35 kilograms
Troy
pound lb t 12 ounces, 240 pennyweight, or 5,760 grains 0.373 kilogram
ounce oz t 20 pennyweight, 480 grains, or 0.083 pound 31.103 grams
pennyweight dwt, or pwt 24 grains, or 0.05 ounce 1.555 grams
grain gr 0.042 pennyweight, or 0.002083 ounce 0.0648 gram
Apothecaries'
pound lb ap 12 ounces, or 5,760 grains 0.373 kilogram
ounce oz ap 8 drams, 480 grains, or 0.083 pound 31.103 grams
dram dr ap 3 scruples, or 60 grains 3.888 grams
scruple s ap 20 grains, or 0.333 dram 1.296 grams
grain gr 0.05 scruple, 0.002083 ounce, or 0.0166 dram 0.0648 gram
Capacity
U.S. liquid measures
gallon gal 4 quarts 3.785 litres
quart qt 2 pints 0.946 litre
pint pt 4 gills 0.473 litre
gill gi 4 fluid ounces 118.294 millilitres
fluid ounce fl oz 8 fluid drams 29.573 millilitres
fluid dram fl dr 60 minims 3.697 millilitres
minim min 1/60 fluid dram 0.061610 millilitre
U.S. dry measures
bushel bu 4 pecks 35.239 litres
peck pk 8 quarts 8.810 litres
quart qt 2 pints 1.101 litres
pint pt 1/2 quart 0.551 litre
British liquid and dry measure
bushel bu 4 pecks 0.036 cubic metre
peck pk 2 gallons 0.0091 cubic metre
gallon gal 4 quarts 4.546 litres
quart qt 2 pints 1.136 litres
pint pt 4 gills 568.26 cubic centimetres
gill gi 5 fluid ounces 142.066 cubic centimetres
fluid ounce fl oz 8 fluid drams 28.412 cubic centimetres
fluid dram fl dr 60 minims 3.5516 cubic centimetres
minim min 1/60 fluid dram 0.059194 cubic centimetre
Length
nautical mile nmi 6,076 feet, or 1.151 miles 1,852 metres
mile mi 5,280 feet, 1,760 yards, or 320 rods 1.609 kilometres
furlong fur 660 feet, 220 yards, or 1/8 mile 201 metres
rod rd 5.50 yards, or 16.5 feet 5.029 metres
fathom fth 6 feet, or 72 inches 1.829 metres
yard yd 3 feet, or 36 inches 0.9144 metre
foot ft, or ' 12 inches, or 0.333 yard 30.48 centimetres
inch in, or " 0.083 foot, or 0.028 yard 2.54 centimetres
Area
square mile sq mi, or mi2 640 acres, or 102,400 square rods 2.590 square kilometres
acre 4,840 square yards, or 43,560 square feet 0.405 hectare, or 4,047 square metres
square rod sq rd, or rd2 30.25 square yards, or 0.00625 acre 25.293 square metres
square yard sq yd, or yd2 1,296 square inches, or 9 square feet 0.836 square metre
square foot sq ft, or ft2 144 square inches, or 0.111 square yard 0.093 square metre
square inch sq in, or in2 0.0069 square foot, or 0.00077 square yard 6.452 square centimetres
Volume
cubic yard cu yd, or yd3 27 cubic feet, or 46,656 cubic inches 0.765 cubic metre
cubic foot cu ft, or ft3 1,728 cubic inches, or 0.0370 cubic yard 0.028 cubic metre
cubic inch cu in, or in3 0.00058 cubic foot, or 0.000021 cubic yard 16.387 cubic centimetres
acre-foot ac ft 43,560 cubic feet, or 1,613 cubic yards 1,233 cubic metres
board foot bd ft 144 cubic inches, or 1/12 cubic foot 2.36 litres
cord cd 128 cubic feet 3.62 cubic metres
1The U.S. uses avoirdupois units as the common system of measuring weight.
See as table:

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Universalium. 2010.

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