Gallon (US) to Liter Converter
Convert Gallon (US) (gal) to Liter (L). Results update as you type, with a conversion table and the formula below.
1 gal =
3.7854 L
gal to L conversion table
| gal | L |
|---|---|
| 1 | 3.7854 |
| 2 | 7.5708 |
| 3 | 11.3562 |
| 4 | 15.1416 |
| 5 | 18.9271 |
| 6 | 22.7125 |
| 7 | 26.4979 |
| 8 | 30.2833 |
| 9 | 34.0687 |
| 10 | 37.8541 |
| 15 | 56.7812 |
| gal | L |
|---|---|
| 20 | 75.7082 |
| 25 | 94.6353 |
| 30 | 113.5624 |
| 40 | 151.4165 |
| 50 | 189.2706 |
| 60 | 227.1247 |
| 70 | 264.9788 |
| 80 | 302.8329 |
| 90 | 340.6871 |
| 100 | 378.5412 |
How to use
- Type the gal value to convert.
- The result appears instantly in L; the swap button reverses direction.
- For common values, check the conversion table below.
Frequently asked questions
How many L is 1 gal?+
1 gal = 3.7854 L. The table below lists the values you'll reach for most often.
How accurate are the results?+
The math uses internationally standardized definitions; only the display is rounded to significant digits. Accurate enough for school, work and daily life.
How do I convert L back to gal?+
Hit the swap arrows in the middle of the converter above — the direction flips and your value is kept.
Is it really free?+
Yes. No sign-up, no install, no usage limits. The site is ad-supported.
Unit guide
The formula
1 gal equals 3.7854 L — multiply a gal value by 3.7854 to get L. Example: 5 gal × 3.7854 = 18.9271 L.
Going the other way, 1 L = 0.264172 gal — multiply by 0.264172, or hit the swap button on the converter above.
When is this conversion needed?
Useful for recipe measurements (cups, fluid ounces), beverage sizes and fuel or water-bottle comparisons.