EV Charging Cost Calculator
Find the cost of a full charge, the cost per mile, and your monthly charging bill — including real-world charging losses.
How much does it cost to charge an electric car?
At this tool's defaults — a 75 kWh battery, $0.16/kWh electricity and a 10% charging loss — a full charge costs about $13.20 and delivers roughly 263 miles, around 5.0¢ per mile. Driving 1,000 miles a month works out to about $50 in charging, or near $600 a year. Larger batteries, higher rates or fast charging raise that figure.
Your numbers
Cost per full charge
$13.2
for ~263 mi
Cost per mile
$0.05
Monthly charging cost
$50.29
1,000 mi/mo
Insight — Charging is never 100% efficient — some energy is lost as heat, so you pay for more kWh than land in the battery. Home AC charging loses about 8–12%, while DC fast charging and cold weather can push losses higher.
Data behind the defaults
- $0.17/kWh·Editorial estimate· as of 2026-06-01· medium confidence
These defaults are starting points from the sources above — every field is editable, and results are estimates, not quotes. All data sources →
What if Electricity price changes?
| Electricity price | Cost per full charge |
|---|---|
| $0.10/kWh | $8.25 |
| $0.16/kWh · now | $13.2 |
| $0.25/kWh | $20.63 |
| $0.35/kWh | $28.87 |
| $0.50/kWh | $41.25 |
Run the real EV numbers
Charging, payback and running cost depend on your mileage and local prices — benchmark them before you commit.
Explore EV toolsFree · No sign-up · Independent, source-based math
For context: a full charge of a 75 kWh battery at $0.16/kWh (about the US average) with 10% charging loss works out to roughly $13.20 — around 5.0¢ per mile for a 3.5 mi/kWh EV, versus about 12.1¢ per mile for a 28 MPG gas car at $3.40/gal. These are worked examples, not quotes.
How this calculator works
Charging is never perfectly efficient, so the calculator grosses up the battery size by your charging-loss percentage to find the energy actually drawn from the wall, then prices it at your electricity rate. It divides that by the range a full charge delivers (battery × efficiency) to get a realistic cost per mile, then scales it by your monthly mileage. Modeling the loss is what separates this from the headline 'battery × price' figure most quick estimates use.
Formula
Energy per full charge = battery kWh × (1 + charging loss %). Cost per full charge = energy per charge × electricity price. Cost per mile = cost per full charge ÷ (battery × mi/kWh). Monthly cost = cost per mile × miles per month.
Worked example
75 kWh × 1.10 (10% loss) = 82.5 kWh drawn × $0.16 = $13.20 per full charge. Range = 75 × 3.5 = 263 miles, so $13.20 ÷ 263 ≈ $0.050 per mile; at 1,000 miles a month that is about $50.
What affects your result
- →Usable battery size in kWh
- →Electricity price per kWh (home vs public fast charging)
- →Charging efficiency loss — about 8–12% for home AC charging
- →EV efficiency in mi/kWh
- →Miles driven per month
What this estimate includes
- ✓Energy lost to charging inefficiency
- ✓Cost per full charge, per mile, per month and per year
- ✓Range delivered by a full charge
What it does not include
- ×Home charger hardware and installation cost
- ×Utility demand charges and time-of-use rate swings
- ×Public DC fast-charging premiums beyond your entered rate
- ×Battery degradation over time
- ×This is a modeled estimate, not a utility bill
Good to know
Clear, practical answers about the ev charging cost calculator.
How much does it cost to fully charge an electric car?＋
For a 75 kWh battery at the US average of $0.16/kWh and about 10% charging loss, a full charge costs roughly $13 and delivers around 260 miles of range. Larger batteries, higher local rates, or fast charging raise that figure.
Why does charging efficiency loss matter?＋
When you charge, some electricity is lost as heat in the charger, cables and battery, so the meter reads more kWh than the battery actually gains. A 10% loss means you pay for about 1.1 kWh for every 1 kWh stored. This tool factors that in so your cost per mile is realistic.
Is it cheaper to charge at home or use public fast chargers?＋
Home charging at residential electricity rates is usually the lowest-cost option. Public DC fast charging is priced for convenience and can cost two to four times more per kWh, which is why most EV owners do the bulk of their charging at home overnight.
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