Cubic Feet to US Gallons Converter
1 cubic foot ≈ 7.48051948 US gallons
About 17% smaller than the imperial gallon used in the UK.
1 cubic foot equals 7.48052 US gallons
How to convert cubic feet to US gallons
Choose the named US, Imperial or metric unit before converting a recipe or container size. A US liquid gallon is 3.785411784 L; an Imperial gallon is 4.54609 L. Volume alone cannot give ingredient mass without density.
gal = ft³ × 7.480519481One cubic foot is 7.480519481 US gallons, so a single multiplication converts any value.
74.8052 gal ≈ 10 × 7.480519481About 17% smaller than the imperial gallon used in the UK.
Cubic feet to US gallons conversion table
Common values in cubic feet, converted to US gallons.
| Cubic feet (ft³) | US gallons (gal) |
|---|---|
| 1 | 7.4805195 |
| 2 | 14.961039 |
| 3 | 22.441558 |
| 4 | 29.922078 |
| 5 | 37.402597 |
| 10 | 74.805195 |
| 20 | 149.61039 |
| 25 | 187.01299 |
| 50 | 374.02597 |
| 100 | 748.05195 |
| 250 | 1,870.1299 |
| 500 | 3,740.2597 |
| 1,000 | 7,480.5195 |
About these units
cubic footft³
A cube one foot on each side. Used for appliance capacity and freight volume.
US gallongal
The US liquid gallon: exactly 231 cubic inches, or 3.785411784 litres.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.