US and UK gallons, pints and fluid ounces genuinely differ — the labels say which is which. Barrels and dry measures are not included.
Convert litres and millilitres to US and UK gallons, fluid ounces, pints and cubic measures — for fuel, cooking, aquariums, pools and shipping volumes.
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Convert litres and millilitres to US and UK gallons, fluid ounces, pints and cubic measures — for fuel, cooking, aquariums, pools and shipping volumes.
A 19-litre water-cooler bottle holds 5.02 US gallons — but only 4.18 UK gallons.
Result = input × source-unit factor ÷ destination-unit factor. All factors are relative to the same base unit; intermediate values are not rounded.
Litres, Millilitres, Cubic metres, US gallons, UK gallons, US fluid ounces, Cubic centimetres, Cubic inches, Cubic feet, US pints, US quarts. Read the labels carefully: regional or decimal/binary variants are separate choices.
The US kept the older English wine gallon of 231 cubic inches; Britain redefined its gallon in 1824 around ten pounds of water. The systems never re-merged.
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