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