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EV Charging Cost Calculator

Cost to charge an electric car between two battery levels.

Battery size

kWh

Start charge

End charge

Electricity price

$/kWh

How it works

Energy = battery size × (end − start) ÷ 100. Cost = energy × price per kWh. Charging losses of 5–15% are not included.

Is this calculator free?

Yes. No signup is needed and nothing you enter is stored.

Is the result exact?

Results are rounded for display. For financial, medical, or legal decisions, confirm with a professional.

Do my numbers leave my device?

No. The calculation runs in your browser.