LIQUID MEASURE
- 4 gills = 1 pt.
- 2 pts. = 1 qt.
- 4 qts. = 1 gall.
- 31 1⁄2 gall. = 1 barrel
- 2 barrels = 1 hogshead
APOTHECARIES’ WEIGHT
- 20 grains = 1 scruple
- 3 scruples = 1 dram
- 8 drams = 1 ounce
- 12 ounces = 1 pound
AVOIRDUPOIS WEIGHT
- 16 drams = 1 ounce
- 16 ounces = 1 pound
- 100 pounds = 1 hundredweight
- 20 hundredweights = 1 ton
- Long ton = 2240 pounds, used mostly in Great Britain.
TROY WEIGHT
- 24 grains = 1 pennyweight
- 20 pennyweights = 1 ounce
- 12 ounces = 1 pound
- 1 carat in diamond, measure = 3.2 Troy grains.
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