Gallons to Cubic Feet Converter
Convert between US gallons and cubic feet instantly. One cubic foot holds about 7.481 gallons.
Operated by: Cloudtopia Maintenance: Updated when formulas, supplier packaging, or guidance change.
gal
cu ft
1 US Gallons = 0.1337 Cubic Feet
Type in either field — the other updates instantly.
The Conversion Formula
Cubic Feet = US Gallons × 0.13368
The reverse: US Gallons = Cubic Feet × 7.481. This conversion uses the US liquid gallon (231 cubic inches). The imperial gallon is about 20% larger.
Quick Reference Table
| US Gallons | Cubic Feet |
|---|---|
| 1 | 0.134 |
| 5 | 0.668 |
| 7.481 | 1.000 |
| 50 | 6.684 |
| 100 | 13.368 |
| 500 | 66.840 |
Common Uses
This conversion is handy for water features, pond liners, rain barrels, and irrigation planning. If you know a container's volume in gallons, converting to cubic feet helps estimate how much space it occupies or how much fill material it displaces. Conversely, if you measured a space in cubic feet, converting to gallons tells you its liquid capacity.
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