Gallons (UK) to Quarts (US – Liquid) converter

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

1 UK gal ≈ 4.80379970202 US qt
1 US qt ≈ 0.208168546157 UK gal

Formula: US qt ≈ UK gal × 4.80379970202
UK gal ≈ US qt × 0.208168546157

Definitions: 1 UK gal = 4.54609 L; 1 US qt = 1/4 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 liquid quart is one quarter of a US gallon, or two US pints. It is a common container size for milk, juice, motor oil and paint in the United States.

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