US gallons to Cubic feet Converter
Convert US gallons to cubic feet. The formula used here is 1 US gallon = 0.133680555556 cubic feet. The formula is ft³ = gal × 0.133680555556; 1 gal is 0.133681 ft³.
A US customary liquid volume equal to 3.785411784 liters.
A US customary and imperial volume unit used for rooms, soil, and storage.
Start with your value in US gallons, then apply the formula below. It stays visible so you can catch rounding mistakes instead of just copying the output.
Check whether the source uses US customary, metric, or nutrition-label conventions before rounding liquid and cooking conversions.
Liquid and cooking measurements may be limited by the measuring cup, spoon, or container markings even when the conversion factor is more precise. This page displays converted values with up to 6 decimal places by default.
| US gallons | Cubic feet |
|---|---|
| 0.25 gal | 0.03342 ft³ |
| 1 gal | 0.133681 ft³ |
| 5 gal | 0.668403 ft³ |
| 10 gal | 1.336806 ft³ |
Useful for kitchen and recipe measurements. Use the same formula with your exact input if the measurement needs to be documented.
Useful for liquid storage, tanks, and containers. Use the same formula with your exact input if the measurement needs to be documented.
Useful for construction, gardening, and material estimates. Use the same formula with your exact input if the measurement needs to be documented.
How do I convert US gallons to cubic feet?
Enter the value in US gallons and apply ft³ = gal × 0.133680555556. Round the cubic feet result after the conversion, not before.
What is 1 US gallon in cubic feet?
1 gal equals 0.133681 ft³ with the current rounding setting. Keep more decimal places when the result feeds another calculation.
What is 0.25 gal in ft³?
0.25 gal is 0.03342 ft³. It appears in the lookup table so you can compare it with nearby amounts.
Can I convert cubic feet back to US gallons?
Yes. Use the reverse Cubic feet to US gallons converter if you need to go the other direction.
How accurate is this US gallons to cubic feet conversion?
The calculator runs the formula in your browser and rounds results to 6 decimal places by default. Liquid and cooking measurements may be limited by the measuring cup, spoon, or container markings even when the conversion factor is more precise.