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Tools / EV charging cost & time calculator

Part of the topic: 🏠 Home, energy & car

EV charging cost & time calculator

Enter battery size, charge level, consumption and your electricity price. Charging losses are added automatically.

✓ Free · ✓ no sign-up · ✓ no cookies · ✓ runs in your browser

Cost of this charge
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Energy = battery × (to − from) × (1 + losses). Typical losses: 10–15 % at a wall box/AC, 5–10 % at DC fast chargers. DC charging slows down above 80 %, so real times are longer. Home prices around €0.30–0.40/kWh, public AC/DC often €0.50–0.80/kWh – check your tariff.

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🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.

How to use it

  1. Enter battery size and charge levels.
  2. Enter the price per kWh and the charger power.
  3. Read cost, time and cost per 100 km.
Your inputs live only in the link, not on our server.

Last checked: October 2026. Found a mistake? Use the form below – we fix confirmed errors and update the date.

Frequently asked questions

What does a full charge cost at home?

A 60 kWh battery from 20 to 80 % needs about 40 kWh including losses – roughly €14 at €0.35/kWh.

Is an EV cheaper than a petrol car?

Usually when charging at home; with expensive fast charging the cost per 100 km can reach petrol levels.

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