Volume
gallons to ft³ Converter
1 gal = 0.13368 ft³. Enter any value and the result updates instantly.
Convert
Accuracy and rounding
Use U.S. liquid measures for cups, teaspoons, tablespoons, pints, quarts, and gallons unless a recipe says metric or imperial.
Metric volume units are fixed, and cups, teaspoons, tablespoons, pints, quarts, and gallons use U.S. liquid measures unless imperial is named.
For recipes, round to the nearest useful spoon, cup, or milliliter. For containers and dosing, keep more precision in ft³.
How to convert gallons to ft³
- Type the gallons value in the calculator.
- Keep gallons selected as the from unit and ft³ selected as the to unit.
- Use the instant result, or copy it with the copy button.
gallons to ft³ chart
| gallons | ft³ |
|---|---|
| 1 gal | 0.13368 ft³ |
| 2 gal | 0.26736 ft³ |
| 5 gal | 0.6684 ft³ |
| 10 gal | 1.3368 ft³ |
| 25 gal | 3.342 ft³ |
| 50 gal | 6.684 ft³ |
| 100 gal | 13.3681 ft³ |
Formula
ft³ = gal x 0.133680555556
Example: 1 gal = 0.13368 ft³.
Source
Liter, cubic meter, and U.S. customary liquid measure relationships.
Common questions
How do I convert gallons to ft³?
Enter the gallons value in the converter, or multiply by the factor shown in the formula. 1 gal = 0.13368 ft³.
What should I watch out for?
U.S. liquid units are used for cups, teaspoons, tablespoons, pints, quarts, and gallons unless the page says imperial.
Where does this volume conversion come from?
Liter, cubic meter, and U.S. customary liquid measure relationships. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.