US gallons to cubic feet Converter
Convert US gallons to cubic feet instantly. Includes a reference table and formula.
| US gallons | cubic feet |
|---|
How to convert US gallons to cubic feet
Enter your value
Type the number of us gallons you want to convert into the left box. The result in cubic feet appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — cubic feet to US gallons. Your current value carries across so you don't have to re-enter anything.
About US gallons and cubic feet
US gallons and cubic feet are both volume. Use this converter to switch between them instantly.
1 US gallon = 0.134 ft³. 1 UK gallon = 0.161 ft³. Aquarium and pool volumes are often given in gallons in the US; liters elsewhere. A 10-gallon fish tank = 1.34 ft³ = 37.85 litres. A standard US water heater is 40-50 gallons.
| US gallons | cubic feet |
|---|---|
| 1 | 0.1337 |
| 5 | 0.6684 |
| 10 | 1.337 |
| 20 | 2.674 |
| 50 | 6.684 |
| 100 | 13.37 |
Frequently asked questions
How do I convert US gallons to cubic feet?
To convert US gallons to cubic feet, multiply by 0.133681. Or use the calculator above for instant results.
How many cubic feet are in 1 US gallons?
1 US gallons equals 0.133681 cubic feet.
Is the US gallons to cubic feet converter free?
Yes, the US gallons to cubic feet converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.