340 ft³ ≈ 2,117.8 gal (Imperial; in US gallons: 340 ft³ = 2,543.38 US gal). To convert cubic feet to gallons, multiply by 6.2288355: 340 × 6.2288355 = 2,117.8.
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: 340 × 6.2288355 = 2,117.8.
- Answer: 340 ft³ ≈ 2,117.8 gal (rounded to 6 significant figures).
Cubic Feet to Gallons table
| Cubic Feet (ft³) | Gallons (gal) |
|---|---|
| 335 ft³ | 2,086.66 gal |
| 336 ft³ | 2,092.89 gal |
| 337 ft³ | 2,099.12 gal |
| 338 ft³ | 2,105.35 gal |
| 339 ft³ | 2,111.58 gal |
| 340 ft³ | 2,117.8 gal |
| 341 ft³ | 2,124.03 gal |
| 342 ft³ | 2,130.26 gal |
| 343 ft³ | 2,136.49 gal |
| 344 ft³ | 2,142.72 gal |
| 345 ft³ | 2,148.95 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: 340 ft³ = 2,543.38 US gal.