Gallons to Liters (gal to L) Converter
How to convert Gallons To Liters
1 US gal = 3.78541 L.
To convert gallons to liters, use the formula: 1 US gal = 3.78541 L. Enter any value in the input field above and the result appears instantly. Click the ⇄ button to reverse the conversion direction.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.
Frequently Asked Questions
How many Liters are in one gal_us?
1 US gal = 3.78541 L. 1 US gallon = 3.78541 liters. 1 UK imperial gallon = 4.54609 liters.
What is the formula to convert gal_us to Liter?
1 US gal = 3.78541 L. Multiply the gal_us value by the conversion factor to get Liter.
How do I convert Liters To Gallons?
Use the Liters To Gallons converter — formula: 1 L = 0.264172 US gal. Click the ⇄ switch button above for the reverse conversion.
Is this gal_us to Liter converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.