How it's calculated
ft³ = US gallons ÷ 7.480519
1 cubic foot = 7.480519 US gallons. Reverse gallons = ft³ × 7.480519.
Common values
| Gallons | Cubic feet |
|---|---|
| 7.48 gal | 1 ft³ |
| 50 gal | 6.68 ft³ |
| 100 gal | 13.37 ft³ |
| 500 gal | 66.85 ft³ |
Common questions
How many gallons are in a cubic foot?
About 7.48 US liquid gallons fill one cubic foot of volume.
Does this use US or imperial gallons?
It uses US liquid gallons. Imperial gallons are larger, so the same cubic foot holds fewer of them.