Gallons (US – Liquid) to Cups (US) converter

To convert gallons (US – Liquid) to cups (US), enter the value in the first field. The result in cups (US) is calculated automatically using the exact conversion factor.

1 US gal = 16 US cup
1 US cup = 0.0625 US gal

Formula: US cup = US gal × 16
US gal = US cup × 0.0625

Definitions: 1 US gal = 231 in³; 1 US cup = 1/16 US gal

The US liquid gallon is the everyday gallon in the United States, used for fuel, milk, paint and most liquids sold by volume. It derives from the old English wine gallon, which was fixed at 231 cubic inches.

The US customary cup is half a US pint, or 8 US fluid ounces, and is the standard cup in American recipes. Cups differ between countries: the metric cup is 250 mL, and the cup used on US nutrition labels is rounded to 240 mL.

See the conversion table with commonly used values, handy for quick reference or study.