4.2 gal ≈ 19.0936 L (Imperial; in US gallons: 4.2 US gal = 15.8987 L). To convert gallons to litres, multiply by 4.5460879: 4.2 × 4.5460879 = 19.0936.
How to convert gallons to litres
L = gal × 4.5460879
- 1 gal = 4.5460879 L (and 1 L = 0.21996935 gal).
- Multiply the amount by the factor: 4.2 × 4.5460879 = 19.0936.
- Answer: 4.2 gal ≈ 19.0936 L (rounded to 6 significant figures).
Gallons to Litres table
| Gallons (gal) | Litres (L) |
|---|---|
| 3.7 gal | 16.8205 L |
| 3.8 gal | 17.2751 L |
| 3.9 gal | 17.7297 L |
| 4 gal | 18.1844 L |
| 4.1 gal | 18.639 L |
| 4.2 gal | 19.0936 L |
| 4.3 gal | 19.5482 L |
| 4.4 gal | 20.0028 L |
| 4.5 gal | 20.4574 L |
| 4.6 gal | 20.912 L |
| 4.7 gal | 21.3666 L |
| gal | L |
|---|---|
| 1 gal | 4.5461 L |
| 5 gal | 22.7304 L |
| 10 gal | 45.4609 L |
| 50 gal | 227.304 L |
| 100 gal | 454.609 L |
| 1,000 gal | 4,546.09 L |
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: 4.2 US gal = 15.8987 L.