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Convert US Quarts to US Gallons

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Measurement

Volume Converter
10 sig. figures
Formula1 US qt ร— 0.25 = 0.25 US gal
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About Volume Conversions

Volume trips people up because US customary and imperial units share names but not sizes. A US gallon (3.785 liters) runs about 17% smaller than an imperial gallon (4.546 liters), and the gap carries down into pints, quarts, and fluid ounces. Cooking is where it bites: a British recipe's pint of milk is 568 ml, an American pint only 473 ml. Science sidesteps the mess with metric volume, where 1 mL equals exactly 1 cmยณ. US and imperial variants stay separate below, with exact conversion chains holding precision across the swap.

Quick Conversions

US QuartsUS Gallons
1 US qt0.25 US gal
2 US qt0.5 US gal
5 US qt1.25 US gal
10 US qt2.5 US gal
25 US qt6.25 US gal
50 US qt12.5 US gal
100 US qt25 US gal
250 US qt62.5 US gal
500 US qt125 US gal
1000 US qt250 US gal
Unit NameSymbolPer 1 US Quart
Cubic Centimetercmยณ946.353
Cubic Footftยณ0.0334201
Cubic Inchinยณ57.75
Cubic Metermยณ0.000946353
Imperial Fluid Ounceimp fl oz33.307
Imperial Gallonimp gal0.208169
Imperial Pintimp pt1.66535
LiterL0.946353
MillilitermL946.353
US CupUS cup4
US Fluid OunceUS fl oz32
US GallonUS gal0.25
US PintUS pt2
US QuartUS qt1
US TablespoonUS tbsp64
US TeaspoonUS tsp192

Frequently Asked Questions

How do I convert US Quarts to US Gallons?

To convert US Quarts to US Gallons, use the conversion where 1 US Quart (US qt) = 0.25 US Gallons (US gal). For example, 1 US Quart = 0.25 US Gallons.

What are common US Quart to US Gallon conversions?

Here are common conversions: 1 US Quarts = 0.25 US Gallons, 5 US Quarts = 1.25 US Gallons, 10 US Quarts = 2.5 US Gallons, 25 US Quarts = 6.25 US Gallons, 50 US Quarts = 12.5 US Gallons, 100 US Quarts = 25 US Gallons.

When would I need to convert US Quarts to US Gallons?

Volume conversions come up when scaling recipes between metric (milliliters, liters) and US customary units (cups, fluid ounces), calculating fuel tank capacities across regions, and in chemistry and manufacturing where a precise liquid measurement decides the outcome.

How precise are the conversions?

All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.

Sources

Read our full methodology โ†’