138 ft³ ≈ 859.579 gal (Imperial; in US gallons: 138 ft³ = 1,032.31 US gal). To convert cubic feet to gallons, multiply by 6.2288355: 138 × 6.2288355 = 859.579.
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: 138 × 6.2288355 = 859.579.
- Answer: 138 ft³ ≈ 859.579 gal (rounded to 6 significant figures).
Cubic Feet to Gallons table
| Cubic Feet (ft³) | Gallons (gal) |
|---|---|
| 133 ft³ | 828.435 gal |
| 134 ft³ | 834.664 gal |
| 135 ft³ | 840.893 gal |
| 136 ft³ | 847.122 gal |
| 137 ft³ | 853.35 gal |
| 138 ft³ | 859.579 gal |
| 139 ft³ | 865.808 gal |
| 140 ft³ | 872.037 gal |
| 141 ft³ | 878.266 gal |
| 142 ft³ | 884.495 gal |
| 143 ft³ | 890.723 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: 138 ft³ = 1,032.31 US gal.