Gallons to Liters Converter – gal to L (US)
Want to convert gallons to liters? This simple and fast gal to L converter helps you easily convert from US gallons to liters — useful for fuel conversions, cooking, shipping, and international measurements. Just enter your value and get the result instantly.
Conversion Formula
Formula to convert US gallons to liters:
Liters = Gallons × 3.78541
Example:
Convert 5 US gallons to liters:
5 × 3.78541 = 18.92705 liters
Quick Reference Table
| Gallons (US) | Liters (L) |
|---|---|
| 1 | 3.78541 |
| 2 | 7.57082 |
| 5 | 18.92705 |
| 10 | 37.8541 |
| 20 | 75.7082 |
| 50 | 189.2705 |
About This Converter
1 US gallon = 3.78541 liters, the standard used in the U.S. and Latin America.
This converter is used worldwide in fuel measurement, product packaging, cooking, and logistics.
Works for both decimal and whole number inputs (e.g., 2.5 gal, 4 gal).
Saves time and improves accuracy when converting imperial volume to metric.
FAQs
How many liters in 1 US gallon?
1 US gallon = 3.78541 liters
What is 10 gallons in liters?
10 × 3.78541 = 37.8541 liters
Are UK and US gallons the same?
No. 1 UK gallon = 4.54609 liters, which is more than a US gallon.