Convert Cubic Feet to US Gallons
1 cubic foot = 7.4805195 us gallons. Multiply the number of cubic feet by 7.48051948052.
1 ft³ = 7.480519481 gal
Multiply the number of cubic feet by 7.48051948052.
Results are rounded for display. Double-check values for critical work.
Cubic Feet to US Gallons table
| Cubic Feet | US Gallons |
|---|---|
| 1 ft³ | 7.4805195 gal |
| 2 ft³ | 14.961039 gal |
| 3 ft³ | 22.441558 gal |
| 4 ft³ | 29.922078 gal |
| 5 ft³ | 37.402597 gal |
| 10 ft³ | 74.805195 gal |
| 20 ft³ | 149.61039 gal |
| 25 ft³ | 187.01299 gal |
| 50 ft³ | 374.02597 gal |
| 100 ft³ | 748.05195 gal |
| 500 ft³ | 3,740.2597 gal |
| 1000 ft³ | 7,480.5195 gal |
Cubic Feet to US Gallons in your head
Multiply by 15, then divide by 2.
That lands within 0.3% of the exact value.
10 ft³ → 75 gal in your head, 74.8052 gal exactly.
About these units
The cubic foot (ft³) is an imperial unit of volume & capacity, equal to 0.028316847 cubic meters.
The us gallon (gal) is a US customary unit of volume & capacity, equal to 0.0037854118 cubic meters.
Going the other way, 1 us gallon = 0.13368056 cubic feet. A US gallon and an imperial gallon differ by about 20%, and the same is true right down to teaspoons. This converter keeps the two systems separate and explicit so a recipe or a fuel figure never comes out a fifth wrong.
Frequently asked
- How many us gallons are in a cubic foot?
- 1 cubic foot = 7.4805195 us gallons.
- How do you convert cubic feet to us gallons?
- Multiply the number of cubic feet by 7.48051948052.
- What is 10 ft³ in gal?
- 10 ft³ = 74.805195 gal.