Gallons (UK) to Cups (US) converter

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

1 UK gal ≈ 19.2151988081 US cup
1 US cup ≈ 0.0520421365393 UK gal

Formula: US cup ≈ UK gal × 19.2151988081
UK gal ≈ US cup × 0.0520421365393

Definitions: 1 UK gal = 4.54609 L; 1 US cup = 1/16 US gal

The imperial (UK) gallon is defined as exactly 4.54609 liters, about 20% larger than the US liquid gallon. It survives in British fuel-economy figures (miles per gallon) and is the base of the imperial system of capacity, in which the pint, quart, peck and bushel are all defined relative to it.

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.