Convert cubic feet to US gallons and gallons to cubic feet instantly. Bidirectional volume converter with formula and common values.
To convert cubic feet to US gallons, multiply by 7.48052. One cubic foot is 1728 cubic inches, and one gallon is 231 cubic inches, giving 1728 / 231 = 7.48052 gallons per cubic foot.
| Cubic Feet | Gallons |
|---|---|
| 1 | 7.4805 |
| 2 | 14.961 |
| 5 | 37.403 |
| 8 | 59.844 |
| 15 | 112.208 |
| 25 | 187.013 |
| 50 | 374.026 |
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One cubic foot equals approximately 7.48052 US gallons.
Multiply the number of cubic feet by 7.48052. For example, 5.3 ft³ × 7.48052 = 39.647 gallons.
100 gallons equals approximately 13.368 cubic feet.
It is commonly used for water tanks, aquariums, and pool calculations where volume may be measured in either unit.