US gallons to cubic feet converter
Cubic feet (ft³)
1 US gallon = 0.1336805556 cubic feet
How to convert US gallons to cubic feet
ft³ = US gal × 0.133680555556
Multiply the number of US gallons by 0.133680555556 to get cubic feet. Going the other way, divide by 0.133680555556 (or multiply by 7.48051948052).
One US gallon is exactly defined as 0.133680555556 cubic feet (to 12 significant figures), and one cubic foot is 7.48051948052 US gallons.
Worked examples
- Convert 5 US gallons: 5 × 0.133680555556 = 0.6684027778 0.6684027778 cubic feet.
- Convert 12.5 US gallons: 12.5 × 0.133680555556 = 1.671006944 1.671006944 cubic feet.
- Convert 250 US gallons: 250 × 0.133680555556 = 33.42013889 33.42013889 cubic feet.
Quick-reference table
| US gal | ft³ |
|---|---|
| 1 | 0.1336805556 |
| 2 | 0.2673611111 |
| 3 | 0.4010416667 |
| 5 | 0.6684027778 |
| 10 | 1.336805556 |
| 15 | 2.005208333 |
| 20 | 2.673611111 |
| 25 | 3.342013889 |
| 50 | 6.684027778 |
| 75 | 10.02604167 |
| 100 | 13.36805556 |
| 1,000 | 133.6805556 |
| ft³ | US gal |
|---|---|
| 1 | 7.480519481 |
| 2 | 14.96103896 |
| 3 | 22.44155844 |
| 5 | 37.4025974 |
| 10 | 74.80519481 |
| 15 | 112.2077922 |
| 20 | 149.6103896 |
| 25 | 187.012987 |
| 50 | 374.025974 |
| 75 | 561.038961 |
| 100 | 748.0519481 |
| 1,000 | 7,480.519481 |
Related conversions
Frequently asked questions
How many cubic feet are in 1 US gallon?
1 US gallon equals 0.1336805556 cubic feet.
What is the formula to convert US gallons to cubic feet?
Use ft³ = US gal × 0.133680555556. Multiply the number of US gallons by 0.133680555556 to get cubic feet. Going the other way, divide by 0.133680555556 (or multiply by 7.48051948052).
What is 100 US gallons in cubic feet?
100 US gallons is 13.36805556 cubic feet.