Avoirdupois (avdp) Weight (Commercial)
1 pound (lb) =16 ounces = 7000 grains
1 ounce (oz) =16 drams (dr) = 437.5 grains exactly
1 short hundred weight (cwt) = 100 pounds
1 long hundred weight (gross cwt) = 112 pounds
1 short ton (tn) = 2000 pounds
1 long ton (gross tn) = 2240 pounds
Apothecaries Weight
1 scruple (s ap) = 20 grains
1 dram (dr ap) = 3 scruples = 60 grains
1 ounce (oz ap) = 8 drams = 480 grains
1 pound (lb ap) = 12 ounces = 5760 grains
Troy Weight
1 pennyweight (dwt) = 24 grains
1 ounce (oz t) = 20 pennyweight = 480grains
1 pound (lb t) = 12 ounces = 5760 grains
Dry Measure
1 U.S. bushel (bu) = 2150.42 cubic inches (in 3)
(British Imperial bushel = 1.0321 U.S. bushels)
1 U.S. bushel = 4 pecks
1 peck (pk) = 4 quarts = 16 pints (pt)
1 quart (qt) = 2 pints
Cubic Measure
1 cubic yard (yd 3) = 27 cubic feet
1 cubic foot (ft 3 ) = 1728 cubic inches(in 3)
1 board foot = 144 cubic inches - 1/12 cubic foot
1 cord (cd) = 128 cubic feet
Avoirdupois - Metric Weight Equivalent
