gallons to liters Converter (US Gallons to Liters)
Enter a value in US gallons to get liters instantly. 1 US gallon = 3.7854 liters.
Use a dot or comma for decimals.
Result
1 US gallon = 3.7854 liters
Formula
Multiply the number of US gallons by 3.7854 to get liters.
L = gal (US) × 3.7854
gallons to liters conversion table
| US gallons (gal (US)) | liters (L) |
|---|---|
| 1 gal (US) | 3.7854 L |
| 5 gal (US) | 18.9271 L |
| 10 gal (US) | 37.8541 L |
| 20 gal (US) | 75.7082 L |
| 50 gal (US) | 189.2706 L |
| 100 gal (US) | 378.5412 L |
| 500 gal (US) | 1,892.7059 L |
| 1,000 gal (US) | 3,785.4118 L |
Frequently asked questions
How do I convert US gallons to liters?
Multiply the number of US gallons by 3.7854 to get liters. Formula: L = gal (US) × 3.7854.
How many liters are in one US gallon?
One US gallon equals 3.7854 liters.
What is 100 US gallons in liters?
100 gal (US) equals 378.5412 L.
Is this gallons to liters conversion exact?
Yes. It uses internationally defined factors: 1 US gallon = 3.785411784 liters exactly. 1 liter = 1 cubic decimeter. Results are rounded for display.