Volume conversion
1 us gallon (US gal) equals 0.133680555556 cubic foot (ft³). Enter any value below to convert from US gal to ft³.
Enter a value and choose units. Results update instantly.
1 US gal = 0.1336805556 ft³
| Unit | Value |
|---|---|
| Cubic meter m³ | 0.0037854118 |
| Liter L | 3.785411784 |
| Milliliter mL | 3,785.411784 |
| Cubic centimeter cm³ | 3,785.411784 |
| Cubic inch in³ | 231 |
| Cubic foot ft³ | 0.1336805556 |
| US gallon US gal | 1 |
| Imperial gallon imp gal | 0.8326741846 |
| US quart US qt | 4 |
| US customary cup US cup | 16 |
| US fluid ounce US fl oz | 128 |
Formula
Use this relationship for a direct conversion:
2 US gal = 0.2673611111 ft³.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Quick reference
| US gallon (US gal) | Cubic foot (ft³) |
|---|---|
| 0.01 | 0.0013368056 |
| 0.1 | 0.0133680556 |
| 1 | 0.1336805556 |
| 2 | 0.2673611111 |
| 5 | 0.6684027778 |
| 10 | 1.3368055556 |
| 25 | 3.3420138889 |
| 50 | 6.6840277778 |
| 100 | 13.3680555556 |
| 1,000 | 133.6805555556 |
From unit
Exactly 231 cubic inches.
Symbol: US gal
To unit
The volume of a one-foot cube.
Symbol: ft³
Keep converting
Source
Definitions are checked against NIST Handbook 44, Appendix C. Calculations use full internal precision before display rounding.
View the complete volume converterQuestions
Use the formula ft³ = US gal x 0.133680555556. 1 us gallon (US gal) equals 0.133680555556 cubic foot (ft³).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.
