Electric vs petrol car cost
Compare the energy cost of an electric and a petrol car over your mileage.
How it works
Cost per year = km / 100 × consumption × energy price. Charging at home usually costs less than fast chargers.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Kilometres per year15000
- EV consumption (kWh/100 km)17
- Price per kWh0.32
- Petrol consumption (L/100 km)6.5
- Price per litre1.75
you get:
- Yearly saving with the EV€890.25
- Electric per year€816.00
- Petrol per year€1,706.25
- Cost per 100 km (EV / petrol)€5.44 / €11.38
Frequently asked questions
How does the “Electric vs petrol car cost” tool work?
Cost per year = km / 100 × consumption × energy price. Charging at home usually costs less than fast chargers.
What do I need to enter?
Just fill in: kilometres per year, ev consumption, price per kwh, petrol consumption, price per litre. The result updates as you type.
Can you give an example?
Kilometres per year: 15000; EV consumption (kWh/100 km): 17; Price per kWh: 0.32; Petrol consumption (L/100 km): 6.5; Price per litre: 1.75 → Yearly saving with the EV: €890.25; Electric per year: €816.00.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.