Fuel economy & gas mileage
Fuel economy & gas mileage: use distance driven, fuel used. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
km/L = distance/fuel; L/100 km = 100×fuel/distance
Variables & units
- Distance driven
- km · minimum 0.000001, maximum 1000000000000
- Fuel used
- L · minimum 0.000001, maximum 1000000000000
Worked example
500 km on 35 L is 14.285714 km/L or 7 L/100 km.
Assumptions
US gallons, not imperial gallons. Use actual distance and fuel consumption over the same period.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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