How many cubic feet are in a US gallon?
One US liquid gallon is approximately 0.133681 cubic feet.
Detailed answer
Using liter equivalents: 1 US gal ≈ 3.78541178 L and 1 ft³ ≈ 28.316846592 L, so 1 gal ≈ 3.78541178 / 28.316846592 ft³. Use the converter for exact decimals.
Relationship context
Cubic feet suit space and airflow; gallons suit liquids. HVAC and water storage sometimes bridge these units.
Quick conversion table
| Gallon (US) (gal) | Cubic Feet (ft3) |
|---|---|
| 0.1 | 0.0133680555 |
| 1 | 0.1336805554 |
| 2 | 0.2673611108 |
| 3 | 0.4010416662 |
| 4 | 0.5347222217 |
| 5 | 0.6684027771 |
| 6 | 0.8020833325 |
| 7 | 0.9357638879 |
| 8 | 1.0694444433 |
| 9 | 1.2031249987 |
| Gallon (US) (gal) | Cubic Feet (ft3) |
|---|---|
| 10 | 1.3368055541 |
| 20 | 2.6736111083 |
| 30 | 4.0104166624 |
| 40 | 5.3472222166 |
| 50 | 6.6840277707 |
| 60 | 8.0208333249 |
| 70 | 9.357638879 |
| 80 | 10.6944444331 |
| 90 | 12.0312499873 |
| 100 | 13.3680555414 |
More Gallons (US) converters
Dedicated pages from Gallon (US) to every other hub volume unit (liter, cubic meter, US gallon, US fluid ounce, cubic foot, US tablespoon, US teaspoon, cubic inch).
- us-gallon to liter (Gallon (US) to Liter)
- us-gallon to cubic-meter (Gallon (US) to Cubic Meter)
- us-gallon to us-fluid-ounce (Gallon (US) to Fluid Ounce (US))
- us-gallon to cubic-ft (Gallon (US) to Cubic Feet)
- us-gallon to us-tablespoon (Gallon (US) to Tablespoon (US))
- us-gallon to us-teaspoon (Gallon (US) to Teaspoon (US))
- us-gallon to cubic-inch (Gallon (US) to Cubic Inches)