tier_1 conversion
Convert Gallons to liter
Convert Gallons to liter with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
Gallons to liter
Gallons to liter
Quick answer
1 Gallons = 3.78542012536 liter.
Formula
liter = Gallons × 3.785420125362314839927509428
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert Gallons to liter
- Enter a value in Gallons.
- Scale the source number by 3.785420125362314839927509428 to express the same quantity in liter.
- Round the displayed liter value only when needed.
About these units
Gallons is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity. Its recorded symbol is gal (US). liter is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity. Its recorded symbol is L, l.
Explore related conversions
Gallons to liter conversion table
| Gallons | liter |
|---|---|
| 0 Gallons | 0e-27 liter |
| 1 Gallons | 3.78542012536 liter |
| 5 Gallons | 18.9271006268 liter |
| 10 Gallons | 37.8542012536 liter |
| 25 Gallons | 94.6355031341 liter |
| 100 Gallons | 378.542012536 liter |
Frequently asked questions
How do I convert from Gallons to liter?
Scale the source number by 3.785420125362314839927509428 to express the same quantity in liter.
What formula does CalculatorHQ use for Gallons to liter?
liter = Gallons × 3.785420125362314839927509428
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert liter back to Gallons?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.