Convert US gallon (gal) to Cubic foot (ft³)
Category: Volume
1 gal = 0.133681 ft3
High-precision rounding: 6 decimals
How to convert us gallon (gal) to cubic foot (ft³)
Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).
This converter calculates US gallon (gal) to Cubic foot (ft³) values by using the correct conversion rule for the Volume category. For linear units, standardized factors are used. For temperature, the calculator applies the proper formula with offsets.
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Quick conversion table
Handy values for US gallon (gal) to Cubic foot (ft³). Click a value to open that exact result.
Conversion formula
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
- Assuming kitchen ‘cup’ equals the same volume in every country.
Unit facts
- US gallon (gal): The US gallon is exactly 3.785411784 L; used for fuel, beverages, and bulk liquids.
- Cubic foot (ft³): A cubic foot (ft³) is the volume of a cube 1 ft per side; common in construction/HVAC.
About US gallon (gal)
US gallon (gal)
Exactly 3.785411784 L. Used for fuel, containers, and recipes in the US. Beware of imperial gallon differences.
History: US defined the gallon separately from the British imperial revision; modern value is exact.
About Cubic foot (ft³)
Cubic foot (ft³)
Volume of a cube 1 ft on each side. Common in HVAC, refrigerators, and construction aggregates (yards/feet systems).
History: Persisted with imperial building practices; tied to the 1959 definition of the foot.