Convert Gallons to Cubic Feet

Enter your gallon value in the form below to get the value calculated in cubic feet.

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1 gal = 0.133681 ft³

How to Convert Gallons to Cubic Feet Using an Easy Conversion Formula

Calculators can be used to convert measurements from one unit to another

Convert gallons to cubic feet with this simple formula:

cubic feet = gallons × 0.133681

Converting a gallon fluid-volume measurement to a cubic foot measurement involves multiplying your fluid-volume by the conversion ratio to find the result. A gallon is equal to 0.133681 cubic feet, so to convert simply multiply by 0.133681.

For example:
5 gal = (5 × 0.133681) = 0.668404 ft³

Gallons and cubic feet are both units used to measure fluid volume. Learn more about fluid volume and find more fluid volume measurement conversion calculators. A gallon is an imperial measurement and can be abbreviated as gal, for example 1 gal. A cubic foot is an imperial measurement and can be abbreviated as ft³, for example 1 ft³.

gallons and cubic feet are units used to measure fluid volume
Convert Cubic Feet to Gallons

Gallon Measurements and Equivalent Cubic Foot Conversions

Common gallon values converted to the equivalent cubic foot value
Gallons Cubic Feet
1 gal 0.133681 ft³
2 gal 0.267362 ft³
3 gal 0.401042 ft³
4 gal 0.534723 ft³
5 gal 0.668404 ft³
6 gal 0.802085 ft³
7 gal 0.935765 ft³
8 gal 1.0694 ft³
9 gal 1.2031 ft³
10 gal 1.3368 ft³
11 gal 1.4705 ft³
12 gal 1.6042 ft³
13 gal 1.7379 ft³
14 gal 1.8715 ft³
15 gal 2.0052 ft³
16 gal 2.1389 ft³
17 gal 2.2726 ft³
18 gal 2.4063 ft³
19 gal 2.5399 ft³
20 gal 2.6736 ft³
21 gal 2.8073 ft³
22 gal 2.941 ft³
23 gal 3.0747 ft³
24 gal 3.2083 ft³
25 gal 3.342 ft³
26 gal 3.4757 ft³
27 gal 3.6094 ft³
28 gal 3.7431 ft³
29 gal 3.8767 ft³
30 gal 4.0104 ft³
31 gal 4.1441 ft³
32 gal 4.2778 ft³
33 gal 4.4115 ft³
34 gal 4.5451 ft³
35 gal 4.6788 ft³
36 gal 4.8125 ft³
37 gal 4.9462 ft³
38 gal 5.0799 ft³
39 gal 5.2136 ft³
40 gal 5.3472 ft³

More Fluid-volume Conversions

Convert to Quarts Fluid Volume
1 gal is equal to 4 quarts
Convert to Pints Fluid Volume
1 gal is equal to 8 pints
Convert to Cups Fluid Volume
1 gal is equal to 16 cups
Convert to Fluid Ounces Fluid Volume
1 gal is equal to 128 fluid ounces
Convert to Tablespoons Fluid Volume
1 gal is equal to 256 tablespoons
Convert to Teaspoons Fluid Volume
1 gal is equal to 768 teaspoons
Convert to Liters Fluid Volume
1 gal is equal to 3.785412 liters
Convert to Milliliters Fluid Volume
1 gal is equal to 3,785.41 milliliters
Convert to Cubic Inches Fluid Volume
1 gal is equal to 230.999493 cubic inches
Convert to Cubic Yards Fluid Volume
1 gal is equal to 0.004951 cubic yards
Convert to Cubic Centimeters Fluid Volume
1 gal is equal to 3,785.41 cubic centimeters
Convert to Cubic Meters Fluid Volume
1 gal is equal to 0.003785 cubic meters