Convert US Gallons to Cubic Feet
Convert US Gallons (gal) to Cubic Feet (ft³) instantly. Enter a value below and the result updates live — accurate to 8 significant figures. 1 US Gallons = 0.13368056 Cubic Feet.
Numbers round to 8 significant figures — the underlying math is full-precision.
US Gallons to Cubic Feet formula
Multiply the US Gallons value by 0.13368056.
ft³ = gal × 0.13368055555555552
US Gallons to Cubic Feet conversion table
| US Gallons (gal) | Cubic Feet (ft³) |
|---|---|
| 1 | 0.13368056 |
| 5 | 0.66840278 |
| 10 | 1.3368056 |
| 20 | 2.6736111 |
| 50 | 6.6840278 |
| 100 | 13.368056 |
| 500 | 66.840278 |
| 1000 | 133.68056 |
US Gallons to Cubic Feet — FAQ
What is 1 gal in ft³?
1 US Gallons (gal) equals 0.13368056 Cubic Feet (ft³). For example, 10 gal = 1.3368056 ft³.
How do I convert US Gallons to Cubic Feet?
Multiply the US Gallons value by 0.13368056. Or simply type any value into the converter above and the Cubic Feet result updates instantly.
Is the US Gallons to Cubic Feet conversion accurate?
Yes. The conversion uses the exact internationally-defined factor: 1 gal = 0.13368055555555552 ft³. Results are shown to 8 significant figures.
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