Formula
One US liquid gallon is exactly 3.785411784 liters:
US gallons = liters / 3.785411784
The gallon is the US liquid gallon of 231 cubic inches, not the imperial gallon.
Assumptions
- The value can be zero and cannot be negative.
- The result is shown with up to six decimal places.
Worked example
3.785411784 liters equal 1 US gallon.
Input definitions
- Liters
- The volume you want in US gallons.
Limitations
An imperial gallon is about 4.54609 liters. Fuel sold by the imperial gallon needs that other factor.
Questions
Why is a gallon about 3.8 liters?
The exact US liquid gallon is 3.785411784 liters.
Does this convert cups?
No. A US cup is one-sixteenth of this gallon and has its own page into milliliters.