US gallons to US quarts Converter
Convert US gallons to US quarts instantly. 1 gal = 4 qt. Free two-way converter with the formula and a quick reference table.
How to convert US gallons to US quarts
US quarts = US gallons × 4
One US gallon equals 4 US quarts, so to convert US gallons to US quarts you multiply by 4. Going the other way, one US quart is 0.25 US gallons. Both units measure volume, so the conversion is an exact ratio that never changes.
10 US gallons = 40 US quarts. Multiply your US gallon figure by the factor above (or just type it into the box) to convert any amount.
US gallons to US quarts table
| US gallons (gal) | US quarts (qt) |
|---|---|
| 1 | 4 |
| 2 | 8 |
| 3 | 12 |
| 5 | 20 |
| 10 | 40 |
| 20 | 80 |
| 25 | 100 |
| 50 | 200 |
| 100 | 400 |
| 250 | 1,000 |
| 500 | 2,000 |
| 1,000 | 4,000 |
Frequently asked questions
How many US quarts are in a US gallon?
One US gallon equals 4 US quarts. So to convert, multiply the number of US gallons by 4.
How do I convert US gallons to US quarts?
Multiply by 4, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.