Tools

Home Charging Cost Calculator

Use battery capacity, charge window and electricity price to estimate a home charging session cost.

Home charging cost

The efficiency field accounts for charging losses. For home AC charging, 85-95% is common.

If your tariff changes by time of day, use the kWh price for the time you plan to charge.

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How do you calculate home EV charging cost?

Added energy is adjusted for charging efficiency and multiplied by your electricity price per kWh.

What does charging efficiency mean?

It is the share of wall energy that reaches the battery. Losses increase the total cost.