What does charging really cost per mile?

Counts the energy lost between the wall and the battery, which the car doesn't show you. Nothing is saved.

Miles per month

Efficiency

mi/kWh Wh/mi

Home price¢/kWhFrom your electric bill Charged at home%The rest at fast or public chargers Public price¢/kWh Charging loss%10–15% is typical when charging at home

Tesla converterWh/mi → kWh

Tesla shows efficiency in watt-hours per mile (Wh/mi) on the Energy app and the Trips card. Enter it here to get kWh.

Tesla Wh/miWh/mi Miles on that tripmi

Miles per kWh— kWh per 100 miles— kWh used on that trip—

Compare with a gas car

Gas car MPG Gas price$/gal

EV charging · per monthcostometer.app

Per mile

—a month

—kWh from the wall

—MPGe

Fuel per month

This EV— Gas car—