How to convert quarts to gallons
Quarts and Gallons both measure volume, so converting is a single multiplication. One qt equals 0.25 gal, so you multiply your quarts value by 0.25.
Formula: gallons = quarts × 0.25. For example, 10 qt = 2.500001 gal.
Quarts to Gallons conversion table
| Quarts (qt) | Gallons (gal) |
|---|---|
| 1 | 0.25 |
| 2 | 0.5 |
| 5 | 1.250001 |
| 10 | 2.500001 |
| 25 | 6.250003 |
| 50 | 12.500007 |
| 100 | 25.000013 |
| 1,000 | 250.000132 |
Quarts and Gallons explained
Quarts (qt): A US liquid measure of about 946 ml (two pints).
Gallons (gal): A US liquid measure of about 3.785 litres (four quarts).
When you'd convert quarts to gallons
You'll convert quarts to gallons whenever a measurement is given in one unit but you need it in the other — comparing quarts and gallons figures across regions, following a recipe or spec, or double-checking a number. Because 1 qt is exactly 0.25 gal, the result is precise every time.
Frequently asked questions
How many gallons are in a quart?
One qt equals 0.25 gal. Multiply your quarts figure by 0.25 to get gallons.
What is the formula to convert quarts to gallons?
gallons = quarts × 0.25. The factor 0.25 is exact.
What is 2 quarts in gallons?
2 qt = 0.5 gal. You can enter any value in the converter above to get an instant result.
Is this Quarts to Gallons converter accurate?
Yes. It uses the standard conversion factor (1 qt = 0.25 gal) defined by NIST Handbook 44 / US customary liquid measures, so results are exact to several decimal places.