Convert US gallons to US quarts
1 US gallon = 4 US quarts · qt = gal × 4
When you need this conversion
This conversion goes from US gallons, the fuel and liquid volume unit in the US, to US quarts, a quarter gallon used for milk, oil, and stock. 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 gallons to US quarts conversion table
| US gallons (gal) | US quarts (qt) |
|---|---|
| 1 gal | 4 qt |
| 2 gal | 8 qt |
| 3 gal | 12 qt |
| 5 gal | 20 qt |
| 10 gal | 40 qt |
| 15 gal | 60 qt |
| 20 gal | 80 qt |
| 25 gal | 100 qt |
| 50 gal | 200 qt |
| 75 gal | 300 qt |
| 100 gal | 400 qt |
| 250 gal | 1,000 qt |
| 500 gal | 2,000 qt |
| 1,000 gal | 4,000 qt |
The formula
qt = gal × 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 quarts to US gallons →Related volume conversions
- US gallons to liters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US cups to milliliters
- US fluid ounces to milliliters
- Milliliters to US quarts
- Liters to US quarts
Frequently asked questions
- How many US quarts are in a US gallon?
- There are 4 US quarts in 1 US gallon. The formula is qt = gal × 4.
- How do you convert US gallons to US quarts?
- Use the formula qt = gal × 4. For example, 10 US gallons equals 40 US quarts.
- Is the US gallons to US quarts conversion exact?
- Yes. US gallons and US quarts are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is gal short for?
- gal is the standard symbol for US gallon (also written as gallons). qt is the symbol for US quart.