VOLUME CONVERSION
US gallon to Cubic foot.
Convert us gallon (gal (US)) to cubic foot (ft³), with the math explained.
1 gal (US) = 0.1336805556 ft³
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert us gallon to cubic foot
Multiply your us gallon value by 0.133680555556 to get the equivalent in cubic foot. Both units are normalized through the liter.
ft³ = gal (US) × 0.133680555610 gal (US) = 1.33680555556 ft³
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
gal (US) to ft³ conversion table
| US gallon (gal (US)) | Cubic foot (ft³) |
|---|---|
| 1 gal (US) | 0.133680555556 ft³ |
| 2 gal (US) | 0.267361111111 ft³ |
| 5 gal (US) | 0.668402777778 ft³ |
| 10 gal (US) | 1.33680555556 ft³ |
| 20 gal (US) | 2.67361111111 ft³ |
| 50 gal (US) | 6.68402777778 ft³ |
| 100 gal (US) | 13.3680555556 ft³ |
| 500 gal (US) | 66.8402777778 ft³ |
| 1,000 gal (US) | 133.680555556 ft³ |
About the us gallon
The us gallon (gal (US)) is a unit of volume. One us gallon equals 3.785411784 liter (base unit) in this calculator.
All us gallon conversionsAbout the cubic foot
The cubic foot (ft³) is a unit of volume. One cubic foot equals 28.316846592 liter (base unit) in this calculator.
All cubic foot conversionsCommon questions
What is 1 gal (US) in ft³?
One us gallon equals 0.133680555556 ft³. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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