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EV Charging Cost Calculator.

Estimate home and public EV charging costs with our ev charging cost calculator.

Home Charging

Cost per charge $11.67
Monthly cost (30 charges) $350.00
Annual cost $4,258
Cost per mile $0.04

Public Charging (DC Fast)

Cost per charge $33.33
Monthly cost (30 charges) $1,000
Annual cost $12,167
Cost per mile $0.11
You save $7,909/year with home charging

Frequently asked questions.

How much does it cost to charge an EV?

For a 75 kWh battery at $0.14/kWh with 90% efficiency, a full charge costs about $11.67. Use the calculator above for your specific vehicle and electricity rate.

Is EV charging cheaper than gas?

Yes — home EV charging is 3-4x cheaper than gas per mile. At $0.14/kWh, driving 1,000 miles costs ~$40 in an EV vs $130+ in a gas car.

How much does it cost to charge a Tesla?

A Model 3 (75 kWh) costs ~$11.67 at home. A Model S (100 kWh) costs ~$15.56. Use our tesla charging cost calculator for exact costs at your rate.

What is the average cost of home charging?

At the US average of $0.14/kWh, a full 75 kWh charge costs ~$11.67. Annual costs depend on driving habits — use the calculator for estimates.

How much electricity does EV charging use?

A full 75 kWh charge consumes ~83.3 kWh from the grid (accounting for 90% efficiency). The calculator factors in efficiency losses automatically.

How much does a full charge cost?

Cost = (Battery kWh × Rate) ÷ Efficiency. Use the calculator — it instantly shows per-charge, monthly, and annual costs for both home and public charging.

How can I reduce charging costs?

Charge during off-peak hours for lower rates — many utilities offer EV rates as low as $0.04/kWh overnight. Home charging is 2-3x cheaper than public DC fast charging.

What affects EV charging costs?

Electricity rate, battery size, charging efficiency, and charger type. The calculator compares all scenarios — tweak the inputs to see how each factor changes costs.

Does charging at night save money?

Yes — many utilities offer off-peak rates 50-70% cheaper than peak. Try changing the electricity rate in the calculator to see overnight savings.

How do I calculate EV charging expenses?

Use our EV charging cost calculator above. Enter battery size, electricity rate, and efficiency. Get per-charge, monthly, annual, and per-mile costs instantly.

How we calculate this.

Methodology

Home charging cost is computed as: (Battery kWh × Electricity Rate) ÷ Efficiency. Public charging follows the same formula with the public rate. Monthly estimates assume 30 full charges; annual multiplies per-charge by 365 days. Cost per mile uses an assumed 3.5 miles/kWh.

Assumptions

  • US average electricity rate of $0.14/kWh as default
  • Level 2 charging efficiency of 90%
  • Public DC fast charging at $0.40/kWh
  • Vehicle efficiency of 3.5 miles per kWh
Reviewed by ChargerLoad Editorial Team

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