Electric Vehicle Charging Cost Calculator

Calculate how much it costs to charge your electric vehicle at home or at public charging stations.

Reviewed August 29, 2026 · Calculation methodology · Inputs stay in your browser

Electricity Rate ($/kWh) Enter your electricity rate. Average US residential rate is around $0.15/kWh.

Battery Capacity (kWh) Enter your EV's battery capacity (e.g., 75 for Tesla Model 3 Long Range).

Current Charge Level (%) Enter the current battery charge percentage.

Target Charge Level (%) Enter the desired battery charge percentage (typically 80% for optimal battery health).

Charging Efficiency (%) Charging efficiency (typically 85-90% due to heat loss during charging).

Vehicle Efficiency (Optional) Enter your vehicle's efficiency to calculate cost per mile.

EV Charging Tips

Charging your EV at home typically costs 3-5 times less than using public charging stations.
Many utilities offer discounted electricity rates during off-peak hours (e.g., overnight).
Charging to 80% instead of 100% can prolong your battery life and is often faster.
DC fast charging is convenient but may cost 2-4 times more than home charging.
Some workplaces, shopping centers, and parking garages offer free EV charging as a perk.
Using the vehicle's built-in charging schedule can help you take advantage of lower electricity rates.