Convert cubic feet to Imperial gallons
1 ft³ = 6.228835 imp gal. Change the amount below, or read the formula and the reference table further down.
1 cubic foot equals
Imperial gallons
1 ft³ = 6.228835 imp gal
The formula
Cubic feet and Imperial gallons both measure volume from the same zero, so a single multiplier does the job.
imp gal = ft³ × 6.22883546
Going the other way? Convert Imperial gallons to cubic feet.
Cubic feet to Imperial gallons table
Common values, rounded for reading.
| Cubic feet (ft³) | Imperial gallons (imp gal) |
|---|---|
| 1 | 6.2288 |
| 2 | 12.4577 |
| 3 | 18.6865 |
| 4 | 24.9153 |
| 5 | 31.1442 |
| 6 | 37.373 |
| 7 | 43.6018 |
| 8 | 49.8307 |
| 9 | 56.0595 |
| 10 | 62.2884 |
| 15 | 93.4325 |
| 20 | 124.58 |
| 25 | 155.72 |
| 30 | 186.87 |
| 40 | 249.15 |
| 50 | 311.44 |
| 75 | 467.16 |
| 100 | 622.88 |
| 250 | 1,557.21 |
| 500 | 3,114.42 |
| 1,000 | 6,228.84 |
Questions people ask
- How many Imperial gallons are in a cubic foot?
- One cubic foot equals 6.22883546 Imperial gallons.
- How do I convert cubic feet to Imperial gallons by hand?
- Multiply the number of cubic feet by 6.22883546. For a rough check, 6.2 is close enough for most everyday use.
- What is 1 cubic foot in Imperial gallons?
- 1 cubic foot is 6.228835 Imperial gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.