# How many cubic feet are in a gallon?

###### Wiki User

###### May 04, 2011 2:36PM

## Gallons per cubic foot

**1 cubic foot = 7.4805 US gallons**

**1 cubic foot -=6.2288 Imperial gallons**

One cubic foot is equal to 7.4805 US Gallons, -6.2288 Imperial Gallons

Also,

1 cubic foot = 1728 cubic inches

1 US gallon = 231 cubic inches (by definition)

1 cubic foot = 1728/231 gallons = 576/77 gallons ~= 7.48 gallons

1 US gallon = 231/1728 cubic feet ~= 0.133681 cubic feet

Sample Water Bill Calculation

Assumptions:

* Note:* . This refers to 100 cubic feet. If your
bill says you used 10 ccf, that would be 1000 cubic feet, or almost
7500 US gallons.