- 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