EV Charging Cost Calculator

Calculate the cost and time to charge an electric car from battery size, charge level, electricity price and charger power. Free.

✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded

Battery size (kWh)

Charge from %

Charge to %

Price per kWh

Charger power (kW)

Charging efficiency %

Charging cost

7.50

Energy from grid 50 kWh

Charging time 4h 33m

How to use EV Charging Cost Calculator

Is EV Charging Cost Calculator free?

Yes. EV Charging Cost Calculator is 100% free with no limits, no watermark, no sign up and no email required.

Is my data sent anywhere?

No. Everything is calculated locally in your browser. Nothing you type is sent to or stored on any server.

Does EV Charging Cost Calculator work on my phone?

Yes. EV Charging Cost Calculator works in any modern browser on iPhone, Android, Windows, Mac, Linux and Chromebook. No app or install needed.

Do I need to create an account?

Never. There is no sign up, no login, no email and no paywall. Just open the page and use it.

How accurate is it?

Calculations use standard formulas with full floating-point precision. For medical, legal or financial decisions, please confirm with a professional.