EV Charging Cost Calculator
Calculate how much it costs to charge your EV from any state of charge — at home or at a public DC fast charging station.
🔌 EV Charging Cost Calculator
Results
Energy Needed45.0 kWh
Cost at Home6.75
Cost at DC Fast18.00
💡 How to Calculate EV Charging Cost
EV charging cost = kWh needed × electricity rate. The kWh needed = battery capacity × (target % − current %) ÷ 100. For example, charging a 75 kWh battery from 20% to 80% requires 75 × 0.60 = 45 kWh.
Home charging is significantly cheaper than public fast charging. Enter your local home electricity rate and DC fast charging rate for accurate comparison. In most regions, home charging costs 2–3× less than public fast chargers.
Charging a 75 kWh battery from 20% to 80% (45 kWh needed): at home rate of 0.15/kWh costs 6.75. At DC fast rate of 0.40/kWh costs 18.00. Home charging saves over 11 per session.