Convert US quarts to US gallons
1 US quart = 0.25 US gallons · gal = qt ÷ 4
When you need this conversion
This conversion goes from US quarts, a quarter gallon used for milk, oil, and stock, to US gallons, the fuel and liquid volume unit in the US. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
US quarts to US gallons conversion table
| US quarts (qt) | US gallons (gal) |
|---|---|
| 1 qt | 0.25 gal |
| 2 qt | 0.5 gal |
| 3 qt | 0.75 gal |
| 5 qt | 1.25 gal |
| 10 qt | 2.5 gal |
| 15 qt | 3.75 gal |
| 20 qt | 5 gal |
| 25 qt | 6.25 gal |
| 50 qt | 12.5 gal |
| 75 qt | 18.75 gal |
| 100 qt | 25 gal |
| 250 qt | 62.5 gal |
| 500 qt | 125 gal |
| 1,000 qt | 250 gal |
The formula
gal = qt ÷ 4Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
US gallons to US quarts →Related volume conversions
- Liters to US gallons
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US cups to milliliters
- US fluid ounces to milliliters
- Milliliters to US gallons
- Cubic meters to US gallons
Frequently asked questions
- How many US gallons are in a US quart?
- There are 0.25 US gallons in 1 US quart. The formula is gal = qt ÷ 4.
- How do you convert US quarts to US gallons?
- Use the formula gal = qt ÷ 4. For example, 10 US quarts equals 2.5 US gallons.
- Is the US quarts to US gallons conversion exact?
- Yes. US quarts and US gallons are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is qt short for?
- qt is the standard symbol for US quart. gal is the symbol for US gallon.