31.2 gal ≈ 5.009 ft³ (Imperial; in US gallons: 31.2 US gal = 4.1708 ft³). To convert gallons to cubic feet, multiply by 0.16054365: 31.2 × 0.16054365 = 5.009.
How to convert gallons to cubic feet
ft³ = gal × 0.16054365
- 1 gal = 0.16054365 ft³ (and 1 ft³ = 6.2288355 gal).
- Multiply the amount by the factor: 31.2 × 0.16054365 = 5.009.
- Answer: 31.2 gal ≈ 5.009 ft³ (rounded to 6 significant figures).
Gallons to Cubic Feet table
| Gallons (gal) | Cubic Feet (ft³) |
|---|---|
| 30.7 gal | 4.9287 ft³ |
| 30.8 gal | 4.9447 ft³ |
| 30.9 gal | 4.9608 ft³ |
| 31 gal | 4.9769 ft³ |
| 31.1 gal | 4.9929 ft³ |
| 31.2 gal | 5.009 ft³ |
| 31.3 gal | 5.025 ft³ |
| 31.4 gal | 5.0411 ft³ |
| 31.5 gal | 5.0571 ft³ |
| 31.6 gal | 5.0732 ft³ |
| 31.7 gal | 5.0892 ft³ |
| gal | ft³ |
|---|---|
| 1 gal | 0.160544 ft³ |
| 5 gal | 0.802718 ft³ |
| 10 gal | 1.6054 ft³ |
| 50 gal | 8.0272 ft³ |
| 100 gal | 16.0544 ft³ |
| 1,000 gal | 160.544 ft³ |
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: 31.2 US gal = 4.1708 ft³.