Gallons to Cubic Feet Converter
1 gal = 0.1336805556 ft³. Type any value to convert gallons to cubic feet.
Gallons to cubic feet table
Formula: ft³ = gal × 0.1336805556
| Gallon (US) (gal) | Cubic foot (ft³) |
|---|---|
| 0.1 gal | 0.01336805556 ft³ |
| 0.25 gal | 0.03342013889 ft³ |
| 0.5 gal | 0.06684027778 ft³ |
| 1 gal | 0.1336805556 ft³ |
| 2 gal | 0.2673611111 ft³ |
| 3 gal | 0.4010416667 ft³ |
| 4 gal | 0.5347222222 ft³ |
| 5 gal | 0.6684027778 ft³ |
| 6 gal | 0.8020833333 ft³ |
| 7 gal | 0.9357638889 ft³ |
| 8 gal | 1.069444444 ft³ |
| 9 gal | 1.203125 ft³ |
| 10 gal | 1.336805556 ft³ |
| 12 gal | 1.604166667 ft³ |
| 15 gal | 2.005208333 ft³ |
| 20 gal | 2.673611111 ft³ |
| 25 gal | 3.342013889 ft³ |
| 30 gal | 4.010416667 ft³ |
| 40 gal | 5.347222222 ft³ |
| 50 gal | 6.684027778 ft³ |
| 60 gal | 8.020833333 ft³ |
| 75 gal | 10.02604167 ft³ |
| 100 gal | 13.36805556 ft³ |
| 150 gal | 20.05208333 ft³ |
| 200 gal | 26.73611111 ft³ |
| 250 gal | 33.42013889 ft³ |
| 500 gal | 66.84027778 ft³ |
| 1,000 gal | 133.6805556 ft³ |
How to use: Gallons to Cubic Feet
- 1 Type the value in gallons.
- 2 The result in cubic feet appears at once – or type in the cubic feet field to convert back.
- 3 Pick a common value, round to fewer decimals or swap the units with one click.
- 4 Copy the result, or open “In every unit” to see the value in all units of volume.
About this tool
Gallon (US) (gal) is a unit of volume (US customary); 1 gal = 0.003785411784 m³. Cubic foot (ft³) is a unit of volume (imperial and US customary); 1 ft³ = 0.02831684659 m³.
To convert gallons to cubic feet, multiply the value by 0.1336805556 (ft³ = gal × 0.1336805556). Example: 5 gal = 0.6684027778 ft³.
Calculated in your browser – nothing you type is sent anywhere.
Frequently asked questions
How do I convert gallons to cubic feet?
To convert gallons to cubic feet, multiply the value by 0.1336805556: ft³ = gal × 0.1336805556. For example 5 gal = 0.6684027778 ft³.
What is 1 gal in cubic feet?
1 gal = 0.1336805556 ft³. The other way round, 1 ft³ = 7.480519481 gal.
How exact is the result?
The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.
Can I convert other units of volume here?
Yes – choose any of the 21 units of volume in the From and To lists, or switch to another measurement at the top.
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