Gallons to Quarts ConverterRight in Your Browser
Convert US gallons (gal) to US quarts (qt). The US gallon (gal) is the American unit for fuel, milk and large liquids — about 3.79 liters. The US quart (qt) is a quarter gallon — a common size for milk, oil and stock in American kitchens. Everything is calculated locally in your browser — no server, and it works offline.
4 qt
in US quarts (US quart)
To convert US gallons to US quarts, multiply the US gallon value by 4.
Switch to Quarts to GallonsGallons to Quarts Chart
| US gallons (gal) | US quarts (qt) |
|---|---|
| 1 | 4 |
| 2 | 8 |
| 3 | 12 |
| 4 | 16 |
| 5 | 20 |
| 10 | 40 |
| 20 | 80 |
| 50 | 200 |
| 100 | 400 |
Frequently Asked Questions
How many US quarts are in a US gallon?
One US gallon equals 4 US quarts (1 gal = 4 qt). So to go from US gallons to US quarts, multiply the US gallon value by 4.
What is the formula to convert US gallons to US quarts?
To convert US gallons to US quarts, multiply the US gallon value by 4. For example, 10 gal is 40 qt.
What is 15 US gallons in US quarts?
15 US gallons — a typical car fuel tank — is 60 US quarts. The converter above works for any value, entirely in your browser.
Is the US gallon to US quart conversion exact?
The factor used here is the defined value: 1 gal = 4 qt. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.