ounce

• standard Imperial or customary unit for measuring weight.

EXAMPLE:

Imperial/Customary Units ~ Weight, Mass

437.5 grains = 1 ounce
16 ounces = 1 pound
14 pounds = 1 stone
8 stones = 1 hundredweight (UK)
100 pounds = 1 hundredweight (US)
20 hundredweight = 1 ton
1 ton = 2240 pounds (UK)
1 ton = 2000 pounds (US)