Convert US Gallons to Cubic Feet
Convert US gallons to cubic feet instantly. Type a value below, check the formula and table, then see how the same gal (US) to ft³ conversion looks as a single line in Notes Calculator.
US Gallons to Cubic Feet formula
One US gallon is 0.133681 cubic feet, so ft³ = gal (US) × 0.133681. For the reverse, multiply cubic feet by 7.48052, or use the Cubic Feet to US Gallons converter.
US Gallons to Cubic Feet conversion table
| US Gallons (gal (US)) | Cubic Feet (ft³) |
|---|---|
| 1 | 0.133681 |
| 2 | 0.267361 |
| 5 | 0.668403 |
| 10 | 1.33681 |
| 20 | 2.67361 |
| 25 | 3.34201 |
| 50 | 6.68403 |
| 100 | 13.3681 |
| 250 | 33.4201 |
| 500 | 66.8403 |
| 1,000 | 133.681 |
US Gallons to Cubic Feet in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 galUS to cubic feet on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix US gallons and cubic feet without a separate converter.
| Note | Result |
|---|---|
| 100 galUS to cubic feet | 13.37 ft³ |
| 100 galUS in cubic feet | 13.37 ft³ |
| 10 cubic feet as galUS | 74.81 galUS |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
More volume conversions
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FAQ
Frequently asked questions
- One US gallon equals 0.133681 cubic feet. To convert US gallons to cubic feet, multiply by 0.133681; to go back, multiply by 7.48052.
- Type the value, the unit, and the target unit on one line: 100 galUS to cubic feet. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.
How many cubic feet are in one US gallon?
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Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.
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