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EV Charging Cost & Time Calculator

Calculate EV charging cost & time

This calculator tells you in seconds what a charge costs and how long it takes. Enter battery capacity, target charge level, charging power and your electricity price.

How it works

  1. Enter your EV battery capacity in kWh (see the data sheet/registration).
  2. Set the charge level from–to in percent and your wallbox/station power in kW.
  3. Add your price per kWh – result: energy added, cost and duration.

Charging cost depends on battery size, charge range and electricity price; charging time also on power. Home wallbox charging is usually cheaper than fast charging – with the right cable (Type 2/Mode 3) you stay flexible at both.

Frequently asked questions

How do I calculate charging cost?

Energy added kWh = capacity × (target − start level) ÷ 100. Cost = kWh × electricity price.

Why does my car charge slower than the wallbox?

The weakest link limits it: on-board charger, cable/plug or connection. A Mode-3 Type-2 cable with enough amps uses the power optimally.

How much does a single charge cost?

For a 60 kWh battery charged from 20 to 80 %, about 36 kWh are added — at a home wallbox (≈0.35 €/kWh) that is roughly 12–13 €, at a fast charger (≈0.60 €/kWh) around 22 €.

How much does 100 km cost — compared with petrol?

At about 18 kWh/100 km and 0.35 €/kWh the distance costs around 6 €. A petrol car using 7 l (1.70 €/l) costs about 12 € — roughly twice as much.

How long does a charge take?

Charging time equals the kWh added divided by the charging power: 36 kWh on an 11 kW wallbox takes about 3.3 hours, on a 50 kW fast charger only around 45 minutes.

The right original charging cable (Type 2 / Mode 3) for your vehicle:

Note: This calculation is non-binding and provided without warranty as to its accuracy, completeness or timeliness. Only the information in your owner's manual, vehicle registration document and from the manufacturer is authoritative. We accept no liability for damage caused by slight negligence; for intent, gross negligence and for injury to life, body or health we remain liable under the statutory provisions.
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