Convert Gallons (US) to Liters
gal to L · volume conversion
What are gallons (us) and liters?
A US gallon is 4 quarts (about 3.785 L), the standard unit for fuel and large liquids in the US. A liter is the metric unit of volume equal to 1,000 cubic centimeters, about 1.06 US quarts. For scale: a standard water bottle holds about 500 mL (17 fl oz), and a US gallon is 3.785 L.
How to convert gallons (us) to liters
1 gal = 3.78541 L. To convert, multiply the number of gallons (us) by 3.78541. For example, 5 gal = 18.9271 L, and 20 gal = 75.7082 L. To go the other way, multiply liters by 0.264172 (since 1 L = 0.264172 gal).
Gallons (US) to Liters conversion table
| Gallons (US) (gal) | Liters (L) |
|---|---|
| 1 | 3.78541 |
| 2 | 7.57082 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 20 | 75.7082 |
| 50 | 189.271 |
| 100 | 378.541 |
FAQ
What is 1 gal in L?
1 gal = 3.78541 L. To convert any amount, multiply the number of gallons (us) by 3.78541.
How do I convert liters back to gallons (us)?
Go the other way: 1 L = 0.264172 gal, so multiply liters by 0.264172 to get gallons (us).
Is a gallons (us) bigger than a liter?
Yes — 1 gal is the larger unit, equal to 3.78541 L.
Are these volume conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.