Gallons to Cups Converter

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The US liquid gallon (3.785 L) is the everyday cooking gallon. The US dry gallon (4.405 L) is used for grain. The UK imperial gallon (4.546 L) is used in the UK, Canada, and some Caribbean countries.
Enter the volume in gallons. Leave cups blank to convert from gallons.
gal
Enter cups instead to convert back to gallons. Both fields update each other.
cups
Cups
16

Volume in US cups (8 fl oz each)

Gallons1
Quarts4
Pints8
Fluid ounces128
Cups16
Quarts4
Pints8

1.0000 gallon(s) = 16.0000 cups

  • 1.0000 US liquid gallon(s) is 16.0000 US cups.
  • That is also 4.0000 quarts, 8.0000 pints, or 128.00 fluid ounces.
  • The US liquid gallon is the standard for American cooking recipes, water jugs, and milk cartons.

Next stepNeed to scale a recipe? Multiply each ingredient by the same gallon factor to keep proportions correct.

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