US Gallons to Cubic Feet Converter
Convert US gallons (gal) to cubic feet (cu ft), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a volume, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 gal = 0.133680555556 cu ft
- 1 × 0.133680555556 = 0.133680555556 cu ft
How to convert us gallons to cubic feet
1 gal = 0.133680555556 cu ft, so multiply by 0.133680555556 to go from US gallons to cubic feet. Going the other way, 1 cu ft = 7.48051948052 gal.
cu ft = gal × 0.133680555556 gal = cu ft × 7.48051948052
Worked example:
1 gal = 0.133680555556 cu ft 5 × 0.133680555556 = 0.668402777778 cu ft
US Gallons to cubic feet table
| US Gallons | Cubic Feet |
|---|---|
| 1 gal | 0.133680555556 cu ft |
| 2 gal | 0.267361111111 cu ft |
| 3 gal | 0.401041666667 cu ft |
| 4 gal | 0.534722222222 cu ft |
| 5 gal | 0.668402777778 cu ft |
| 6 gal | 0.802083333333 cu ft |
| 7 gal | 0.935763888889 cu ft |
| 8 gal | 1.06944444444 cu ft |
| 9 gal | 1.203125 cu ft |
| 10 gal | 1.33680555556 cu ft |
| 15 gal | 2.00520833333 cu ft |
| 20 gal | 2.67361111111 cu ft |
| 25 gal | 3.34201388889 cu ft |
| 30 gal | 4.01041666667 cu ft |
| 40 gal | 5.34722222222 cu ft |
| 50 gal | 6.68402777778 cu ft |
| 75 gal | 10.0260416667 cu ft |
| 100 gal | 13.3680555556 cu ft |
| 250 gal | 33.4201388889 cu ft |
| 500 gal | 66.8402777778 cu ft |
| 1000 gal | 133.680555556 cu ft |
About the units
- US Gallons (gal)
- US gallons, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).
- Cubic Feet (cu ft)
- Cubic feet, a US customary unit. Definition: NIST Handbook 44 Appendix C (international foot and avoirdupois pound).
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