How Many Cubic Feet in a US Gallon?

Quick Answer
1 US Gallon = 0.134 Cubic Feet

1 gal = 0.134 ft³

Formula

ft³ = gal × 0.134

Conversion Table

US Gallons (gal)Cubic Feet (ft³)
1 gal0.134 ft³
2 gal0.267 ft³
5 gal0.668 ft³
10 gal1.337 ft³
20 gal2.674 ft³
50 gal6.684 ft³
100 gal13.368 ft³
500 gal66.84 ft³
1,000 gal133.681 ft³

Worked Examples

Convert 5 gal to ft³:
5 gal × 0.134 = 0.668 ft³
Convert 10 gal to ft³:
10 gal × 0.134 = 1.337 ft³
Convert 50 gal to ft³:
50 gal × 0.134 = 6.684 ft³

FAQ

How many Cubic Feet are in 1 US Gallon?
There are 0.134 Cubic Feet in 1 US Gallon. Formula: ft³ = gal × 0.134.
How to convert US Gallons to Cubic Feet?
To convert US Gallons to Cubic Feet, multiply the number of US Gallons by 0.134. For example, 10 gal = 1.337 ft³.
How many Cubic Feet are in 100 US Gallons?
There are 13.368 Cubic Feet in 100 US Gallons. Calculation: 100 × 0.134 = 13.368.