VOLUME CONVERSION
Cubic foot to US gallon.
Convert cubic foot (ft³) to us gallon (gal (US)), with the math explained.
1 ft³ = 7.480519481 gal (US)
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 cubic foot to us gallon
Multiply your cubic foot value by 7.48051948052 to get the equivalent in us gallon. Both units are normalized through the liter.
gal (US) = ft³ × 7.48051948110 ft³ = 74.8051948052 gal (US)
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
ft³ to gal (US) conversion table
| Cubic foot (ft³) | US gallon (gal (US)) |
|---|---|
| 1 ft³ | 7.48051948052 gal (US) |
| 2 ft³ | 14.961038961 gal (US) |
| 5 ft³ | 37.4025974026 gal (US) |
| 10 ft³ | 74.8051948052 gal (US) |
| 20 ft³ | 149.61038961 gal (US) |
| 50 ft³ | 374.025974026 gal (US) |
| 100 ft³ | 748.051948052 gal (US) |
| 500 ft³ | 3,740.25974026 gal (US) |
| 1,000 ft³ | 7,480.51948052 gal (US) |
About 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 conversionsAbout 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 conversionsCommon questions
What is 1 ft³ in gal (US)?
One cubic foot equals 7.48051948052 gal (US). 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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