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

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

1 UK qt ≈ 0.300237481376 US gal
1 US gal ≈ 3.33069673852 UK qt

Formula: US gal ≈ UK qt × 0.300237481376
UK qt ≈ US gal × 3.33069673852

Definitions: 1 UK qt = 1/4 UK gal; 1 US gal = 231 in³

The imperial quart is one quarter of an imperial gallon, or two imperial pints. It is about 20% larger than the US liquid quart.

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.

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