421 ft³ ≈ 2,622.34 gal (Imperial; in US gallons: 421 ft³ = 3,149.3 US gal). To convert cubic feet to gallons, multiply by 6.2288355: 421 × 6.2288355 = 2,622.34.
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: 421 × 6.2288355 = 2,622.34.
- Answer: 421 ft³ ≈ 2,622.34 gal (rounded to 6 significant figures).
Cubic Feet to Gallons table
| Cubic Feet (ft³) | Gallons (gal) |
|---|---|
| 416 ft³ | 2,591.2 gal |
| 417 ft³ | 2,597.42 gal |
| 418 ft³ | 2,603.65 gal |
| 419 ft³ | 2,609.88 gal |
| 420 ft³ | 2,616.11 gal |
| 421 ft³ | 2,622.34 gal |
| 422 ft³ | 2,628.57 gal |
| 423 ft³ | 2,634.8 gal |
| 424 ft³ | 2,641.03 gal |
| 425 ft³ | 2,647.26 gal |
| 426 ft³ | 2,653.48 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: 421 ft³ = 3,149.3 US gal.