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Gallons to Cubic Feet Converter (US Gallons to Cubic Feet)

1 US gallon = 0.1336805556 cubic feet. To convert gal to ft³, multiply by 0.1336805556, or divide by 7.480519481.

⇄

1 gal = 0.1337 ft³

1 gal
0.1337 ft³
1 ft³
7.4805 gal
10 gal
1.3368 ft³
100 gal
13.3681 ft³

How to convert Gallons to Cubic Feet

1 US gallon equals 0.1336805556 cubic feet, so the conversion is a single multiplication.

ft³ = gal × 0.1336805556

Example: 2 gal × 0.1336805556 = 0.2674 ft³.

About the US gallon

US Gallon (gal)

The US gallon is defined as 231 cubic inches, exactly 3.785411784 liters. It's about 17% smaller than the imperial (UK) gallon.

1 US gallon in every volume unit

Milliliters3,785.412 mL
US Fluid Ounces128 fl ozLiters3.785 L
US Cups16 cup
Tablespoons256 tbsp
Teaspoons768 tsp
US Quarts4 qt
US Pints8 pt
Imperial Gallons0.8327 imp gal
Imperial Quarts3.331 imp qt
Imperial Pints6.661 imp pt
Imperial Fluid Ounces133.228 imp fl oz
Metric Cups15.142 metric cup
Deciliters37.854 dL
Centiliters378.541 cL
Cubic Meters0.003785 m³
Cubic Centimeters3,785.412 cm³
Cubic Feet0.1337 ft³
Cubic Inches231 in³
Cubic Yards0.004951 yd³
Oil Barrels0.02381 bbl
Acre-Feet0.000003069 ac·ft
US Bushels0.1074 bu
US Pecks0.4297 pk
US Dry Pints6.875 dry pt
Cubic Feet to GallonsReverse conversionLiters to Gallons1 L = 0.2642 galGallons to Liters1 gal = 3.7854 LQuarts to Gallons1 qt = 0.25 galGallons to Quarts1 gal = 4 qtGallons to oz1 gal = 128 fl ozoz to Gallons1 fl oz = 0.007813 galCubic Yards to Cubic Feet1 yd³ = 27 ft³Cubic Feet to Cubic Yards1 ft³ = 0.03704 yd³

Quick answers

How many ounces in a cup?8 US fluid ouncesHow many cups in a quart?4 US cupsHow many teaspoons in a tablespoon?3 teaspoonsHow many ounces in a gallon?128 US fluid ouncesHow many liters in a gallon?3.785 litersHow many quarts in a gallon?4 US quartsHow many tablespoons in 1/4 cup?4 tablespoons

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Gallons to Cubic Feet FAQ

How many cubic feet are in a US gallon?

1 US gallon = 0.1336805556 cubic feet.

How many US gallons are in a cubic foot?

1 cubic foot = 7.480519481 US gallons.

How do I convert gal to ft³?

Use ft³ = gal × 0.1336805556. For example, 10 gal = 1.337 ft³.

Can I print this Gallons to Cubic Feet chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.