Convert Cubic feet to US gallons
1 cubic foot = 7.4805 US gallons · gal = ft³ × 7.480519481
When you need this conversion
This conversion goes from cubic feet, used for appliance capacity and freight in the US, 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.
Cubic feet to US gallons conversion table
| Cubic feet (ft³) | US gallons (gal) |
|---|---|
| 1 ft³ | 7.4805 gal |
| 2 ft³ | 14.961 gal |
| 3 ft³ | 22.4416 gal |
| 5 ft³ | 37.4026 gal |
| 10 ft³ | 74.8052 gal |
| 15 ft³ | 112.21 gal |
| 20 ft³ | 149.61 gal |
| 25 ft³ | 187.01 gal |
| 50 ft³ | 374.03 gal |
| 75 ft³ | 561.04 gal |
| 100 ft³ | 748.05 gal |
| 250 ft³ | 1,870.13 gal |
| 500 ft³ | 3,740.26 gal |
| 1,000 ft³ | 7,480.52 gal |
The formula
gal = ft³ × 7.480519481Because 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 cubic feet →Related volume conversions
- Liters to US gallons
- Cubic feet to cubic meters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Cubic meters to liters
- Cubic meters to cubic feet
- 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 cubic foot?
- There are 7.4805 US gallons in 1 cubic foot. The formula is gal = ft³ × 7.480519481.
- How do you convert cubic feet to US gallons?
- Use the formula gal = ft³ × 7.480519481. For example, 10 cubic feet equals 74.8052 US gallons.
- Is the cubic feet to US gallons conversion exact?
- Yes. Cubic feet and US gallons are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is ft³ short for?
- ft³ is the standard symbol for cubic foot. gal is the symbol for US gallon.