EV Charging Cost Calculator
See how much it costs to charge your EV at home and what your running cost per kilometre is — usually a fraction of petrol.
Show solution steps
What is the EV Charging Cost Calculator?
An EV charging cost calculator works out the electricity cost of a full charge and the per-km running cost, based on your battery size, electricity tariff and range.
How to Calculate
Full charge cost = battery (kWh) × electricity rate; cost per km = full charge cost ÷ range.
Formula
Cost per km = (battery kWh × rate) ÷ range km
How to Use
- Enter your details in the fields above.
- The result updates instantly as you type.
- Use Copy, Print or Download PDF to save your result.
Frequently Asked Questions
Is an EV cheaper to run than petrol?
Usually yes u2014 EV running costs are often u20b91u20132 per km versus u20b96u20138 for petrol, though charging speed, battery life and upfront cost also matter.
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