Quarts (US) to Gallons (US) converter

Convert quarts (us) (qt) to gallons (us) (gal) — results update instantly as you type.

Quarts (US) to Gallons (US)

To0.25

1 qt = 0.25 gal

How to convert Quarts (US) to Gallons (US)

Volume conversions appear constantly in cooking, fuel, and science. The metric system uses milliliters and liters, while the US uses cups, pints, quarts, and gallons — and the UK gallon is a different size entirely.

All units convert through the liter. One US gallon is exactly 3.785411784 liters, while a UK (imperial) gallon is 4.54609 liters — about 20% larger. One cubic meter equals exactly 1,000 liters.

Formula

qt × 0.25 = gal

Multiply your quarts (us) value by 0.25 to get gallons (us). For the reverse, divide by the same factor.

Quarts (US) to Gallons (US) conversion table

Quarts (US)Gallons (US)
1 qt0.25 gal
2 qt0.5 gal
5 qt1.25 gal
10 qt2.5 gal
25 qt6.25 gal
100 qt25 gal

Common use cases

  • Recipes between cups, milliliters, and fluid ounces
  • Fuel and liquid purchases between gallons and liters
  • Water tanks and pools in cubic meters
  • Beverage servings in pints vs half-liters

Frequently asked questions

One US gallon equals exactly 3.785411784 liters. A UK imperial gallon is larger at 4.54609 liters.