Weight

Avoirdupois
  • 1 dram = 27.34 grains
  • 1 ounce = 437.5 grains
  • 1 ounce = 16 drams
  • 1 pound = 16 ounces
  • 1 stone = 14 pounds
  • 1 quarter = 2 stones
  • 1 hundredweight = 4 quarters
  • 1 ton = 20 hundredweights
  • 1 short ton = 2000 pounds
  • 1 long ton = 2240 pounds

Troy and Apothecary
  • 1 scruple = 20 grains
  • 1 ounce = 80 drams
  • 1 ounce = 24 scruples
  • 1 ounce = 20 pennyweight
  • 1 pennyweight = 24 grains
  • 1 dram = 60 grains
  • 1 ounce = 480 grains
  • 1 pound = 12 ounces

Ancient Egyptian
  • 1 shekel = 60 grains
  • 1 great mina = 60 shekels
  • 1 talent = 60 great minas

Ancient Greek
  • 1 drachma = 6 obols
  • 1 stater = 2 drachmas
  • 1 stater = 192 grain
  • 1 mina = 50 stater
  • 1 talent = 60 mina

Metric
  • 1 kilogram = 10 hectograms
  • 1 hectogram = 10 dekagrams
  • 1 dekagram = 10 grams
  • 1 gram = 10 decigrams
  • 1 decigram = 10 centigrams
  • 1 centigram = 10 milligrams