Convert Gallons to Cubic Feet

Use our accurate converter to change gallons into cubic feet. This tool is simple to use and works instantly.

How to Calculate

To change gallons to cubic feet, you just need to know the conversion factor.

Rule: 1 Gallons = 0.1336807125 Cubic Feet

Gallons to Cubic Feet
Pre-defined calculator for direct gallons to cubic feet conversion.
Gallons (US) (gal)
0
Cubic Feet (ft³)
Formula: 1 Gallons = 0.13368071 Cubic

Unit Information

About Gallons

Definition: The US liquid gallon is a unit of volume equal to 128 US fluid ounces or exactly 3.785411784 liters.

History: Based on the medieval wine gallon used in England.

Where it is used: Primary unit for fuel and milk in the United States.

Gallons to Cubic Feet Conversion Table

Gallons [gal]Cubic Feet [ft3]
0.01 gal0.0013368071 ft3
0.1 gal0.0133680713 ft3
1 gal0.1336807125 ft3
2 gal0.267361425 ft3
3 gal0.4010421375 ft3
5 gal0.6684035625 ft3
10 gal1.3368071251 ft3
20 gal2.6736142502 ft3
50 gal6.6840356255 ft3
100 gal13.368071251 ft3
1000 gal133.6807125099 ft3

How to Convert Gallons to Cubic Feet

Calculation: To convert gallons to cubic feet, multiply the value by the conversion factor (0.1336807125).

Example: convert 15 gal to ft3:
15 gal = 15 × 0.1336807125 ft3 = 2.0052106876 ft3

Gallons to All Volume Units

Explore all available conversion pairs for gallons to other professional volume metrics.

All Unit Conversion Systems

Access our high-fidelity calculators for other measurement systems and engineering metrics.