km
kWh/100 km
€/kWh

WLTP figure per manufacturer (real-world consumption often +10–20%) · home electricity approx. €0.28–0.40/kWh, public fast charger €0.50–0.79/kWh

Charging losses and public chargingLoss 0 %, public 0 %
%

If the consumption comes from the on-board computer, charging losses are missing – then add a surcharge (assumption 10–15 %). For manufacturer figures usually leave at 0.

%
€/kWh

Example value – enter the price of your charging tariff.

L/100 km
€/L

Charging costs

€36.00

€36.00

500 km at 18 kWh/100 km cost you €36.00 in electricity.

Savings compared with combustion car+€27.00

Combustion car: €63.00 at 7 L/100 km and 1.8 €/L.

How this was calculated
500 km ÷ 100 × 18 kWh × 0.4 €/kWh = €36.00
500 km ÷ 100 × 7 L × 1.8 €/L = €63.00

EV Charging Cost Calculator by Rechnerzentrale(opens in a new tab)