9 UnitsUS & UKBidirectional
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Frequently Asked Questions
How many cups in a gallon?
1 US gallon = 16 US cups = 128 US fluid ounces.
What is the difference between US and UK gallons?
1 US gallon = 3.785 liters. 1 UK (imperial) gallon = 4.546 liters. The UK gallon is about 20% larger.
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