In the English-speaking world, at least as early as the 13th century – present, a unit of capacity = 2 quarts.
After 1825, a unit of both dry and liquid capacity in imperial measure, about 2.273 liters.
Before 1825, as a unit of liquid capacity, 2 pottles = 1 gallon. Mainly used for drinks. In the United States the pottle was about 1.893 liters.
Before 1825, as a unit of dry capacity in the United Kingdom, 1 pottle = 2 quarts = ½ gallon = ¼ peck.
And y wol she have a pottel potte and a gilt potte of sylver playn.
F. W. Weaver.
Somerset Medieval Wills, 1903, Series II, page 31.
Excerpt from the will of Giles Daubeney, 1444.
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Last revised: 22 November 2005.