Fuel volume
Input: 40 liters
Output: 10.567 gallons
40 / 3.785411784 = 10.566882 gallons.
liters to gallons converter
Use this tool for fuel, liquid storage, and recipe volume conversions.
US gallons:
Formula and algorithm
- US gallons = liters / 3.785411784
- Constant used: 1 US gallon = 3.785411784 liters (exact).
- This converter targets US liquid gallons, not imperial gallons.
Worked examples
One gallon check
Input: 3.785411784 liters
Output: 1 gallon
By definition, this is exactly 1 US gallon.
Large container
Input: 200 liters
Output: 52.834 gallons
200 / 3.785411784 = 52.83441 gallons.
FAQ
Is this US gallon or UK gallon?
It is US gallon. UK imperial gallons use a different factor.
Can I use this for fuel calculations?
Yes. It is commonly used for liters-to-gallons fuel conversion.
Why specify US gallons?
Because US and UK gallon sizes differ significantly.
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Updated: June 7, 2026