Volume conversion
4 gal to L
15.142 L
4 US gallons = 15.142 litres. Exact factor: L = gal × 3.785411784.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
L = gal × 3.785411784
Worked example: 4 × 3.785411784 = 15.142 L.
Values near 4 gal
| gal | L |
|---|---|
| 3.25 | 12.303 |
| 3.5 | 13.249 |
| 3.75 | 14.195 |
| 4this page | 15.142 |
| 4.25 | 16.088 |
| 4.5 | 17.034 |
| 4.75 | 17.981 |
Frequently asked
How do you convert US gallons to litres?
Apply the formula L = gal × 3.785411784. Enter any value in the live converter above and the result updates as you type.
What is 4 gal in L?
4 gal equals 15.142 L. The reference table below shows the values immediately around 4 gal.
Is this conversion exact?
Yes. The US gallon is defined as exactly 231 cubic inches. The imperial gallon is 4.546 L, so UK fuel economy figures are not comparable.