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Cars & mobility

Fuel consumption

Calculate consumption in litres per 100 km.

Your result

Complete the fields and calculate.

Calculation method and formula

Litres used [l] ÷ Distance driven [km] × 100

Understand the inputs

Litres used
Unit: l. Use a measured value or your own assumption.
Distance driven
Unit: km. Use a measured value or your own assumption.

Assumptions and limitations

Consumption and distance must match. l/100 km measures fuel used, while km/l measures distance per litre. Traffic, climate, driving style and reserves are not automatically modeled.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Litres used
42 l
Distance driven
580 km
Example result7.24 l/100 km

The result was calculated directly from your entries.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Fuel consumption work?+

Litres used [l] ÷ Distance driven [km] × 100. Consumption and distance must match. l/100 km measures fuel used, while km/l measures distance per litre. Traffic, climate, driving style and reserves are not automatically modeled.

What assumptions should I consider for this result?+

Consumption and distance must match. l/100 km measures fuel used, while km/l measures distance per litre. Traffic, climate, driving style and reserves are not automatically modeled. The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Prices, measurements and model assumptions determine how well the result represents your situation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

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