This converter allows you to quickly convert us gallons (gal)
into cubic feet (ft³).
Simply enter a value, choose your units, and get an instant, accurate result.
US Gallon to Cubic Foot Conversion Table
US Gallon (gal)
Cubic Foot (ft³)
1
0.133681
2
0.267361
5
0.668403
10
1.336806
20
2.673611
50
6.684028
100
13.368056
200
26.736111
500
66.840278
1000
133.680556
2000
267.361111
5000
668.402778
10000
1,336.805556
20000
2,673.611111
50000
6,684.027778
100000
13,368.055556
200000
26,736.111111
500000
66,840.277778
1000000
133,680.555556
2000000
267,361.111111
How to convert US Gallons to Cubic Feet?
To convert us gallons to cubic feet, multiply by the conversion factor:
Example: Convert 10 US Gallons to Cubic Feet
Frequently asked questions
How many cubic feet are in 1 us gallon?
1 US Gallon (gal) equals 0.133681 cubic feet (ft³).
How many us gallons are in 1 cubic foot?
1 Cubic Foot (ft³) equals 7.48052 us gallons (gal).
How do I convert cubic feet back to us gallons?
Use the swap button above to flip the converter, or type a value directly into the "Cubic Foot" field — this page converts in both directions instantly as you type, with no submit button needed.
Which is larger, us gallon or cubic foot?
1 Cubic Foot is larger — it takes 7.48052 us gallons to equal 1 cubic foot.