18 L ≈ 3.9594 gal (Imperial; in US gallons: 18 L = 4.7551 US gal). To convert litres to gallons, multiply by 0.21996935: 18 × 0.21996935 = 3.9594.
How to convert litres to gallons
gal = L × 0.21996935
- 1 L = 0.21996935 gal (and 1 gal = 4.5460879 L).
- Multiply the amount by the factor: 18 × 0.21996935 = 3.9594.
- Answer: 18 L ≈ 3.9594 gal (rounded to 6 significant figures).
Litres to Gallons table
| Litres (L) | Gallons (gal) |
|---|---|
| 13 L | 2.8596 gal |
| 14 L | 3.0796 gal |
| 15 L | 3.2995 gal |
| 16 L | 3.5195 gal |
| 17 L | 3.7395 gal |
| 18 L | 3.9594 gal |
| 19 L | 4.1794 gal |
| 20 L | 4.3994 gal |
| 21 L | 4.6194 gal |
| 22 L | 4.8393 gal |
| 23 L | 5.0593 gal |
| L | gal |
|---|---|
| 1 L | 0.219969 gal |
| 5 L | 1.0998 gal |
| 10 L | 2.1997 gal |
| 50 L | 10.9985 gal |
| 100 L | 21.9969 gal |
| 1,000 L | 219.969 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: 18 L = 4.7551 US gal.