Gallons to Liters Converter
Type a number to convert US gallons to liters.
Quick answer: 1 US gallon = 3.7854 liters. To convert US gallons to liters, multiply the number of US gallons by 3.78541. For example, 10 US gallons = 37.8541 liters.
How to use it
- Type the number of US gallons.
- The answer in liters appears in large type.
- Press Swap to convert back.
Formula
To convert US gallons to liters, multiply the number of US gallons by 3.78541.
Conversion table
| Us gallons | Liters |
|---|---|
| 1 US gallons | 3.7854 liters |
| 2 US gallons | 7.5708 liters |
| 5 US gallons | 18.9271 liters |
| 10 US gallons | 37.8541 liters |
| 15 US gallons | 56.7812 liters |
| 20 US gallons | 75.7082 liters |
| 50 US gallons | 189.27 liters |
What people use it for
- Cooking, travel and shopping
- Homework and science
- Fitness and health tracking
- Reading instructions and labels
- Working with international sizes
Questions
How do I convert US gallons to liters?
1 US gallon = 3.7854 liters. To convert US gallons to liters, multiply the number of US gallons by 3.78541. For example, 10 US gallons = 37.8541 liters.
How do I convert liters to US gallons?
Press Swap, or use the reverse converter linked below.
Is the result exact?
It uses the exact definition of the units and is rounded for display.
Is it free?
Yes. No sign-up, no install and no limit.
Is anything saved or sent?
No. Everything runs in your browser. Only your own best score, where a page shows one, is kept on your device.
Last updated 2026-10-24. Free to use, no sign-up. Made by ficklestudio26.