2.1 ft³ ≈ 13.0806 gal (Imperial; in US gallons: 2.1 ft³ = 15.7091 US gal). To convert cubic feet to gallons, multiply by 6.2288355: 2.1 × 6.2288355 = 13.0806.
How to convert cubic feet to gallons
gal = ft³ × 6.2288355
- 1 ft³ = 6.2288355 gal (and 1 gal = 0.16054365 ft³).
- Multiply the amount by the factor: 2.1 × 6.2288355 = 13.0806.
- Answer: 2.1 ft³ ≈ 13.0806 gal (rounded to 6 significant figures).
Cubic Feet to Gallons table
| Cubic Feet (ft³) | Gallons (gal) |
|---|---|
| 1.6 ft³ | 9.9661 gal |
| 1.7 ft³ | 10.589 gal |
| 1.8 ft³ | 11.2119 gal |
| 1.9 ft³ | 11.8348 gal |
| 2 ft³ | 12.4577 gal |
| 2.1 ft³ | 13.0806 gal |
| 2.2 ft³ | 13.7034 gal |
| 2.3 ft³ | 14.3263 gal |
| 2.4 ft³ | 14.9492 gal |
| 2.5 ft³ | 15.5721 gal |
| 2.6 ft³ | 16.195 gal |
| ft³ | gal |
|---|---|
| 1 ft³ | 6.2288 gal |
| 5 ft³ | 31.1442 gal |
| 10 ft³ | 62.2884 gal |
| 50 ft³ | 311.442 gal |
| 100 ft³ | 622.884 gal |
| 1,000 ft³ | 6,228.84 gal |
Good to know
The gal here is the Imperial (UK) gallon: 1 gal = 4.54609 L. A US gallon is 3.78541 L.
In US gallons: 2.1 ft³ = 15.7091 US gal.