Convert Gallons (US) to Liters
One gallon (US) equals 3.78541 liters. Type any value to convert gallons (us) to liters instantly — with a full reference table below.
Convert Gallons (US) to Liters
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Conversion formula
To convert gallons (us) to liters, multiply by 3.78541. One gallon (US) equals 3.78541 L, and one liter equals 0.264172 gal.
Gallons (US) to Liters table
About converting Gallons (US) to Liters
Gallons (US) (gal) and Liters (L) are both units of volume. The exact factor is 1 gal = 3.78541 L, so multiply by 3.78541 to go from gallons (us) to liters (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Liters to Gallons (US) converter, or the full unit converter for every unit at once.
Frequently asked questions
How many liters are in one gallon (US)?
One gallon (US) equals 3.78541 liters.
How do I convert gallons (us) to liters?
Multiply the number of gallons (us) by 3.78541. For example, 10 gallons (us) = 37.8541 liters.
What is 5 gallons (us) in liters?
5 gallons (us) is 18.92705 liters.