EV Charging Cost Calculator

Charging an electric car costs the price of the electricity that goes through the meter, which is more than the energy reaching the battery, because some is lost as heat in the charger and the cells. Enter the kWh you added, the price you pay per kWh and a charging loss, and the tool returns the cost of the session and the cost of each kWh that actually made it into the pack. The second action gives the cost per mile and sets it against gasoline at an MPG and a pump price you enter, including the pump price at which the two would cost the same. No tariff and no fuel price is built in, because both move constantly and differ by country, supplier and time of day.

Calculator Type
Efficiency Given As
Miles per kWh is what a car sold in the United States or Britain shows. The other two are the same fact stated differently, and kWh per 100 km is how a European brochure and most car displays outside Britain put it, where a smaller number is the better car.

The kWh the car took on, the price you pay, and what the charger wasted getting it in there.

The figure the car or the app reports for the session. For a full charge from empty this is roughly the usable pack size.
Take it off your bill for home charging, or off the network app for a public charger. Public rapid charging is often two to four times the home rate.
The share of metered energy that never reaches the battery. Around 10 percent on a home AC charger, more on a slow trickle charge or in cold weather.
Some public networks add a flat charge per session on top of the energy.
In the unit picked just above. Fill this in to see the range the charge bought. Leave it blank if you only want the cost.
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Distance and Fuel In
This moves the distance, the fuel economy and the pump price together, and every cost per distance in the answer comes back in it. The car's electrical efficiency is set separately below, because a British reader counts miles and buys fuel by the litre.
Efficiency Given As
Miles per kWh is what a car sold in the United States or Britain shows. The other two are the same fact stated differently, and kWh per 100 km is how a European brochure and most car displays outside Britain put it, where a smaller number is the better car.

What a distance costs on electricity, and what the same distance would cost on fuel at a pump price and a fuel economy you give.

In the unit picked just above, from the car display, as energy into the battery. Most cars sit between 2.5 and 4.5 miles per kWh, which is 4 to 7.2 km per kWh or 14 to 25 kWh per 100 km, and cold weather and motorway speed both push it the wrong way.
Take it off your bill for home charging, or off the network app for a public charger. Public rapid charging is often two to four times the home rate.
The share of metered energy that never reaches the battery. Around 10 percent on a home AC charger, more on a slow trickle charge or in cold weather.
The car you are comparing against, in MPG on US gallons, or in litres per 100 km if you switched to kilometres above. Leave blank to skip the comparison.
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Related Tools
Fuel Cost Calculator MPG Calculator Electricity Cost Calculator Car Depreciation Calculator