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Fuel Economy Calculator

Calculate fuel economy from a measured distance and fuel quantity. Both outputs describe the same trip with inverse conventions.

Enter your values

km
Required unit: km. Must be greater than zero.
L
Required unit: L. Must be greater than zero.

Use a decimal point, without thousands separators.

Example result
Economy
13.33333333 km/L
Consumption7.5 L/100 km

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Calculate fuel economy from a measured distance and fuel quantity. Both outputs describe the same trip with inverse conventions.

Inputs and units
Fuel Economy Calculator · Inputs and units
InputExample valueWhat to enter
Distance travelled600 kmRequired unit: km. Must be greater than zero.
Fuel used45 LRequired unit: L. Must be greater than zero.
km/L = distance/fuel; L/100 km = 100fuel/distance

Worked example

Show example inputs and results

This example is generated by the same calculation engine using the starting values in the form. Your own inputs produce your own result.

Distance travelled
600 km
Fuel used
45 L

Complete example results

Economy
13.33333333 km/L
Consumption
7.5 L/100 km

Reading the result

Convert measurements to the same unit and use the net area to cover. Replace any package, waste or efficiency input with your product information. A quantity estimate alone does not determine installation conditions.

Questions and answers

Can I use the example values for my own calculation?

The example values illustrate the calculation. Replace every input with your own information, especially dates, rates and the selected operation.

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Methods & accuracy

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