Fuel Consumption Converter
Convert fuel economy and consumption units for cars, trucks, fleet planning and trip cost checks.
Result
31.36194444 mpgus
This is not a simple factor-only conversion; reciprocal formulas are used safely.
All conversion happens locally in your browser. The value you enter is not sent to a server, logged, stored, or transmitted.
How to use this tool
Enter the required values in the labeled fields. Results update in your browser and are announced for assistive technologies. Use realistic measurements and verify important outcomes before acting on them.
Formula or logic
Fuel economy conversion uses reciprocal formulas, not simple multiplication. Zero and negative values are rejected.
Example calculation
Example: 7.5 L/100km is about 31.36 mpg US.
Frequently asked questions
Why is this not linear?
Some fuel units describe distance per fuel, while others describe fuel per distance, so reciprocal formulas are required.
Are US and UK mpg different?
Yes. US and imperial gallons are different.
Related tools
Fuel Volume Converter
Convert liters, milliliters, cubic meters, US gallons, imperial gallons, US barrels and oil barrels.
Speed Converter
Convert m/s, km/h, mph, ft/s and knots for transport, aviation, maritime and logistics.
Trip Cost Calculator
Combine fuel, toll, wages, fixed cost and empty mileage into one trip estimate.