Estimate the electricity, wall energy, session cost, cost per 100 miles, and monthly cost of charging an electric vehicle.
Your estimate
Enter your numbers
Defaults are examples. Replace them with your vehicle, energy price, and driving information.
Estimated session cost
$8.00
Energy added to battery
45 kWh
Energy drawn from wall
50 kWh
Cost per 100 miles
$5.16
Estimated monthly cost
$51.56
Methodology
How the estimate is calculated
The session estimate multiplies usable battery capacity by the change in state of charge. It then accounts for charging loss to estimate energy drawn from the wall.
Distance-based estimates use the vehicle's electricity consumption in kWh per 100 miles, adjusted for the same charging loss.
Important assumptions
Battery capacity means usable capacity, not necessarily the gross advertised pack size.
Your actual electricity tariff controls; taxes, demand charges, and session fees are not included unless entered elsewhere.
Common questions
What to know about this estimate
Why is wall energy higher than energy added to the battery?
Charging uses energy in cables, power electronics, battery conditioning, and other vehicle systems. The loss setting represents that difference.
Should I use my utility's average or marginal electricity rate?
Use the rate that applies to the additional charging energy. For a time-of-use plan, use the rate during the hours when you normally charge.
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