Electric Car Cost Per Mile Calculator
Find out exactly how much it costs to drive your electric car per mile or per km. Use our electric car cost per mile calculator to get instant, accurate results based on your vehicle's efficiency and your local electricity rate. Make smarter EV ownership decisions today.
EV Cost Per Mile Estimator
How to Use the Electric Car Cost Per Mile Calculator
Our electric car cost per mile calculator makes it easy to find your true EV driving cost. Follow these simple steps:
Step 1: Select Your Distance Unit
Choose Miles or Kilometres from the dropdown. The efficiency label and result unit update automatically.
Step 2: Enter Vehicle Efficiency
Input your EV's efficiency in miles/kWh or km/kWh. You can find this value in your owner's manual, manufacturer website, or the EPA fuel economy label.
Step 3: Enter Your Electricity Rate
Type the electricity cost per kWh from your utility bill. The US average is around $0.13–$0.17 per kWh.
Step 4: Add Charging Loss (Optional)
Enter a charging loss percentage (usually 10–15%). This accounts for energy lost during the charging process and gives you a more realistic per-mile cost.
Step 5: Enter Daily Distance
Add your typical daily driving distance. The calculator uses this to show your projected monthly and yearly EV fuel costs.
Step 6: Click Calculate
Press the Calculate Cost button. The tool instantly shows:
- Cost per mile (or per km)
- Daily driving cost
- Monthly cost projection
- Yearly cost projection
How to Calculate Electric Car Cost Per Mile (Step-by-Step)
Use this straightforward formula to calculate EV cost per mile manually:
To account for charging losses, adjust the formula:
Real-Life Example Calculation
Assume the following values:
- Vehicle efficiency = 4 miles/kWh (e.g., Tesla Model 3)
- Electricity rate = $0.15 per kWh
- Charging loss = 10%
- Daily distance = 40 miles
Step 1: Base cost per mile
Cost = $0.15 ÷ 4 = $0.0375 per mile
Step 2: Apply charging loss
Adjusted Cost = $0.0375 × 1.10 = $0.04125 per mile
Step 3: Daily cost
Daily = $0.04125 × 40 miles = $1.65 per day
Step 4: Monthly cost
Monthly = $1.65 × 30 = $49.50 per month
Step 5: Yearly cost
Yearly = $1.65 × 365 = $602.25 per year
Key Insight: At $0.04125/mile, an EV is roughly 3–4× cheaper per mile than a typical gas car at $0.12–$0.16/mile.
Electric Car Cost Per Mile – Reference Chart
The table below shows calculated cost per mile at a $0.15/kWh electricity rate across common EV efficiency ratings (no charging loss applied):
| Efficiency (miles/kWh) | Rate ($/kWh) | Cost Per Mile ($) | Cost Per 100 Miles ($) |
|---|---|---|---|
| 2.5 mi/kWh | $0.15 | $0.0600 | $6.00 |
| 3.0 mi/kWh | $0.15 | $0.0500 | $5.00 |
| 3.5 mi/kWh | $0.15 | $0.0429 | $4.29 |
| 4.0 mi/kWh | $0.15 | $0.0375 | $3.75 |
| 4.5 mi/kWh | $0.15 | $0.0333 | $3.33 |
| 5.0 mi/kWh | $0.15 | $0.0300 | $3.00 |
| 6.0 mi/kWh | $0.15 | $0.0250 | $2.50 |
Tip: Higher efficiency ratings and lower electricity rates directly reduce your cost per mile. Home charging is usually cheaper than public fast charging.
FAQs About Electric Car Cost Per Mile Calculator
Divide your electricity rate ($/kWh) by your EV's efficiency (miles/kWh). For example, if your rate is $0.15/kWh and your car achieves 4 miles/kWh, your cost per mile is $0.15 ÷ 4 = $0.0375 per mile. Add a charging loss factor for a more accurate real-world figure.
The average EV cost per mile in the US is roughly $0.03 to $0.05, based on a national average electricity rate of $0.13–$0.17/kWh and typical efficiencies of 3–4 miles/kWh. This is 2–4× cheaper than the average gasoline vehicle cost of $0.10–$0.16 per mile.
Yes, significantly so. Electric cars typically cost 2 to 4 times less per mile than gasoline vehicles. A gas car averaging 30 MPG costs around $0.13/mile at $4/gallon, while an EV under the same conditions costs around $0.04/mile. Over a year of driving, this adds up to thousands of dollars in savings.
Yes. During charging, some electricity is lost as heat before it reaches the battery. This is typically 10–15% for Level 2 home chargers and can be higher for DC fast chargers. Including this loss in your calculation gives you the true cost of electricity you pay per mile driven.
Highly efficient EVs with lower cost per mile include:
- Lucid Air (5.0+ miles/kWh)
- Hyundai IONIQ 6 (4.6 miles/kWh)
- Tesla Model 3 Long Range (4.2 miles/kWh)
- Tesla Model Y RWD (4.0 miles/kWh)
Electricity rate has a direct and proportional effect on your cost per mile. If your rate doubles from $0.10 to $0.20/kWh, your cost per mile exactly doubles. Charging at home during off-peak hours (e.g., late night) often provides the lowest rates, reducing your per-mile cost significantly.
At a typical efficiency of 4 miles/kWh and electricity rate of $0.15/kWh, driving 100 miles costs about $3.75 (not including charging losses). With a 10% charging loss, the cost rises to approximately $4.13. Compare that to a gas car at 30 MPG and $4/gallon, which costs $13.33 for the same 100 miles.