Convert Cubic feet to imperial gallons
1 cubic foot = 6.2288 imperial gallons · imp gal = ft³ × 6.228835459
When you need this conversion
This conversion goes from cubic feet, used for appliance capacity and freight in the US, to imperial gallons, the UK volume unit about 20 percent larger than a US gallon. 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 imperial gallons conversion table
| Cubic feet (ft³) | Imperial gallons (imp gal) |
|---|---|
| 1 ft³ | 6.2288 imp gal |
| 2 ft³ | 12.4577 imp gal |
| 3 ft³ | 18.6865 imp gal |
| 5 ft³ | 31.1442 imp gal |
| 10 ft³ | 62.2884 imp gal |
| 15 ft³ | 93.4325 imp gal |
| 20 ft³ | 124.58 imp gal |
| 25 ft³ | 155.72 imp gal |
| 50 ft³ | 311.44 imp gal |
| 75 ft³ | 467.16 imp gal |
| 100 ft³ | 622.88 imp gal |
| 250 ft³ | 1,557.21 imp gal |
| 500 ft³ | 3,114.42 imp gal |
| 1,000 ft³ | 6,228.84 imp gal |
The formula
imp gal = ft³ × 6.228835459Because 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
Imperial gallons to cubic feet →Related volume conversions
- Cubic feet to cubic meters
- 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
- US gallons to liters
- US cups to milliliters
- US fluid ounces to milliliters
- Milliliters to imperial gallons
- Liters to imperial gallons
Frequently asked questions
- How many imperial gallons are in a cubic foot?
- There are 6.2288 imperial gallons in 1 cubic foot. The formula is imp gal = ft³ × 6.228835459.
- How do you convert cubic feet to imperial gallons?
- Use the formula imp gal = ft³ × 6.228835459. For example, 10 cubic feet equals 62.2884 imperial gallons.
- Is the cubic feet to imperial gallons conversion exact?
- Yes. Cubic feet and imperial 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. imp gal is the symbol for imperial gallon.