EV Charging Cost Calculator — How Much Does It Cost to Charge an EV?
Charging an EV at home is the cheapest "fuel" most people will ever buy — usually a few cents a mile. Exactly how cheap depends on your model, your local electricity rate, and how much you Supercharge. Pick your setup below to see your cost per mile, what a full charge costs, and how it stacks up against gas.
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Picking your state fills in your average home electricity rate and Supercharger rate; edit the rate if you know yours (or you're on a cheaper overnight EV plan). Home figures include a typical ~10% AC charging loss. Estimate only — see the methodology.
The short answer
For a Model 3 or Model Y at a typical U.S. home electricity rate, charging works out to roughly 4–6 cents per mile — so "filling up" the equivalent of a tank costs only a few dollars. A full home charge of a Model Y is usually in the $12–$22 range depending on your rate. Compare that to a 28 mpg gas car at $3.50/gal, which costs about 12.5 cents a mile — two to three times more.
Why home charging is so cheap
- Electricity is a stable, low price compared with gasoline, and you buy it at your home rate instead of a station markup.
- EVs are efficient — a Model 3 uses roughly 25 kWh per 100 miles, turning a low per-kWh rate into a very low per-mile cost.
- Overnight EV plans from many utilities cut the rate further if you charge while you sleep — worth checking with your provider.
Superchargers cost more — and that's fine
Supercharging is a convenience for road trips, and it's priced higher than home electricity — often two to three times your home rate per kWh, varying by location and time of day. Most owners do 80–90% of charging at home and only Supercharge on longer drives, which keeps the blended cost low. Bump the Supercharger slider above to see how your mix changes the number.
Charge at home for the best price
To get these home rates you'll want a Level 2 setup. See what a home charger installation costs, how long a charge takes in our charging time calculator, and the full lifetime comparison against a gas car — including charging, insurance, depreciation, and your state's fees — in our Tesla vs gas cost calculator.
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