What does USG mean in Unit Measures?
This page is about the meanings of the acronym/abbreviation/shorthand USG in the Miscellaneous field in general and in the Unit Measures terminology in particular.
United States gallon (liquid = 231 cu. in. = 3.785411784 litres; dry = 268.8025 cu. in. or 4.40488377086 litres)
Liquid derived from the Queen Anne's wine gallon, legally defined as 231 cu. in. Dry defined as 1/8 Winchester bushel.
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