How do I convert US gallons back to liters?

Use the reverse converter: 1 US gallon equals 3.78541 L.

Is this converter accurate?

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert liters to US gallons, multiply the value by 0.264172052.

gal = L × 0.264172052

40 L × 0.264172052 = 10.57 gal

Liter (L): The common metric unit for liquids such as drinks and fuel. Equal to one cubic decimetre, accepted for use with the SI.
US Gallon (gal): Used for fuel and liquids in the United States. Exactly 3.785411784 litres (231 cubic inches).

How do I convert liters to US gallons?: To convert liters to US gallons, multiply the value by 0.264172052.
How many US gallons are in 1 liter?: 1 liter equals 0.264172 gal.
How many US gallons are in 10 liters?: 10 L equals 2.64172 gal.
How do I convert US gallons back to liters?: Use the reverse converter: 1 US gallon equals 3.78541 L.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.