US Gallon to Cubic Foot (gal to ft³)
Convert gal to ft³ — Volume converter
Also written as gal to ft3.
One us gallon equals 0.13368071 ft³, so to convert US gallons to cubic feet you multiply the value by 0.13368071. A us gallon is smaller than a cubic foot — going the other way, 1 ft³ = 7.480511 gal. For example, 10 gal = 1.336807 ft³ and 50 gal = 6.684036 ft³.
1 gal = 0.13368071 ft³
US Gallon to Cubic Foot formula
1 US Gallon = 0.13368071 ft³
Worked examples
- 25 gal = 3.342018 ft³
- 100 gal = 13.368071 ft³
US Gallon to Cubic Foot conversion table
| US Gallon (gal) | Cubic Foot (ft³) |
|---|---|
| 1 | 0.13368071 |
| 2 | 0.26736143 |
| 3 | 0.40104214 |
| 5 | 0.66840356 |
| 8 | 1.069446 |
| 10 | 1.336807 |
| 12 | 1.604169 |
| 15 | 2.005211 |
| 20 | 2.673614 |
| 25 | 3.342018 |
| 50 | 6.684036 |
| 100 | 13.368071 |
| 250 | 33.420178 |
| 500 | 66.840356 |
| 1000 | 133.680713 |
Frequently asked questions
How many cubic feet are in one us gallon?
One us gallon equals 0.13368071 cubic feet (ft³).
How many US gallons are in one cubic foot?
One cubic foot equals 7.480511 US gallons (gal).
How do you convert US gallons to cubic feet?
1 US Gallon = 0.13368071 ft³. Use the calculator above for any value.
What is 5 gal in ft³?
5 gal = 0.66840356 ft³.
What is 100 gal in ft³?
100 gal = 13.368071 ft³.
What is 10 gal in ft³?
10 gal = 1.336807 ft³.
What is 20 gal in ft³?
20 gal = 2.673614 ft³.
Is a us gallon bigger than a cubic foot?
No. A us gallon is smaller — one us gallon equals 0.13368071 cubic feet, while one cubic foot equals 7.480511 US gallons.