Convert US quarts to US gallons
Enter a value in US quarts to convert it to US gallons.
US quarts to US gallons reference
| US quarts | US gallons |
|---|---|
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 5 qt | 1.25 gal |
| 10 qt | 2.5 gal |
| 25 qt | 6.25 gal |
| 50 qt | 12.5 gal |
| 100 qt | 25 gal |
The conversion factor
One US quart is 0.25000013 US gallons. So to convert, multiply your figure in US quarts by 0.25000013. To go the other way, multiply US gallons by 3.99999789, or use the US gallons to US quarts converter.
Doing it in your head
For a quick estimate, round the factor: roughly "divide by 4". Use the exact converter above when the number matters.
Where this conversion comes up
Cooking and baking (especially US vs metric recipes), fuel, and container sizes.
See the common unit conversions cheat sheet for the factors worth memorising.
Related tools
Frequently asked questions
How many US gallons are in a US quart?
1 US quart = 0.25 US gallons.
What is the formula to convert US quarts to US gallons?
Multiply the number of US quarts by 0.25000013. To go back the other way, multiply US gallons by 3.99999789.
What is 10 US quarts in US gallons?
10 US quarts = 2.5 US gallons. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.