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Cars & mobility

Petrol vs electric car

Petrol vs electric car: enter your values and get an instant free result.

Your result

Complete the fields and calculate.

Calculation method and formula

Kilometres per year [km] ÷ 100 × Petrol consumption [l/100 km] × Petrol price; Kilometres per year [km] ÷ 100 × EV consumption [kWh/100 km] × Electricity price

Understand the inputs

Kilometres per year
Unit: km. Use a measured value or your own assumption.
Petrol consumption
Unit: l/100 km. Use a measured value or your own assumption.
Petrol price
Use a measured value or your own assumption.
EV consumption
Unit: kWh/100 km. Use a measured value or your own assumption.
Electricity price
Use a measured value or your own assumption.

Assumptions and limitations

Only running energy costs for the same annual distance are compared. Purchase, depreciation, tax, maintenance and charging infrastructure are excluded.

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.

Kilometres per year
15000 km
Petrol consumption
7 l/100 km
Petrol price
1.8
EV consumption
18 kWh/100 km
Electricity price
0.35
Example resultElectric car · 945 cheaper/year

Petrol: 1,890 · Electric: 945.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Petrol vs electric car work?+

Kilometres per year [km] ÷ 100 × Petrol consumption [l/100 km] × Petrol price; Kilometres per year [km] ÷ 100 × EV consumption [kWh/100 km] × Electricity price. Only running energy costs for the same annual distance are compared. Purchase, depreciation, tax, maintenance and charging infrastructure are excluded.

What assumptions should I consider for this result?+

Only running energy costs for the same annual distance are compared. Purchase, depreciation, tax, maintenance and charging infrastructure are excluded. 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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