Cubic Feet to Gallons Converter
Convert cubic feet (ft³) to gallons and vice versa with support for US and UK gallons
Volume Conversion Calculator
Volume of a cube with 1 foot sides
231 cubic inches
Conversion Results
Conversion Formula: gal = ft³ × 7.48052
Calculation: 0.0000 ft³ × 7.48052 = 0.0000 gal
Unit Relationship: 1 cubic foot equals 7.48052 US gallons
Quick Conversions (US Gallons)
Example Calculations
Converting 1.5 ft³ to US Gallons
Given: 1.5 cubic feet
Formula: US gal = ft³ × 7.48052
Calculation: 1.5 ft³ × 7.48052 = 11.2208 US gal
Result: 1.5 ft³ = 11.2208 US gallons
Converting 1.5 ft³ to UK Gallons
Given: 1.5 cubic feet
Formula: UK gal = ft³ × 6.22884
Calculation: 1.5 ft³ × 6.22884 = 9.34326 UK gal
Result: 1.5 ft³ = 9.34326 UK gallons
Common Conversions
Unit Information
Cubic Foot (ft³)
Volume of a cube with sides measuring 1 foot each. Imperial/US volume unit.
US Gallon
Defined as 231 cubic inches. Commonly used in the United States.
UK Gallon
Defined as 4.54609 liters. Used in the United Kingdom and Commonwealth countries.
Conversion Tips
US gallon is smaller: 1 ft³ = 7.48 US gal
UK gallon is larger: 1 ft³ = 6.23 UK gal
Both are imperial/US volume units
Commonly used for water tanks, pools, and storage
Understanding Cubic Feet to Gallons Conversion
What are Cubic Feet and Gallons?
Both cubic feet and gallons are volume units used in the Imperial and US measurement systems. A cubic foot is the volume of a cube with 1-foot sides, while gallons are defined differently in the US and UK systems.
Unit Definitions
- Cubic Foot: Volume of a 1ft × 1ft × 1ft cube
- US Gallon: 231 cubic inches
- UK Gallon: 4.54609 liters
Conversion Formulas
US: gal = ft³ × 7.48052
UK: gal = ft³ × 6.22884
Common Applications
- •Water tank capacity calculations
- •Swimming pool volume measurements
- •Fuel storage and transportation
- •HVAC and plumbing calculations