EV Charging Cost Calculator

EV Charging Cost & Savings Calculator

Calculate session charging costs, annual electricity vs. gas savings, and charging speeds

Vehicle / Battery Preset

Battery Size (kWh)

Current Charge (%) Starting battery state

Target Charge (%) 80% recommended for battery health

Charging Efficiency (%)

Tariff / Charger Location

Rate ($ / kWh)

Total Session Charging Cost

$8.21

51.33 kWh drawn from grid (46.20 kWh added to pack)

Estimated Range Added 161.7 Miles 260.2 km (at 3.5 mi/kWh)

Effective Cost per Mile $0.051 / mi $0.032 / km

Cost per 10% Charge $1.37 Linear increment cost

Full 0–100% Charge Cost $13.69 85.56 kWh total draw from wall

Annual Driving Distance Miles driven per year

EV Efficiency Miles per kWh (mi/kWh)

Home Charging (%) Public Fast Charging: 15%

Home Rate ($/kWh)

Public Rate ($/kWh)

Gas Vehicle Economy (MPG) Comparative ICE vehicle

Gas Price ($ / Gallon)

Net Annual Fuel Savings

+$726.51 / yr

+$60.54 saved every month

Annual EV Electricity Cost $794.92 / yr 3,810 kWh drawn from grid

Annual Gas Fuel Cost $1,521.43 / yr 428.6 Gallons consumed

5-Year Cumulative Savings +$3,632.55 60,000 miles driven

Avoided CO₂ Tailpipe Emissions 8,400 lbs CO₂ ~3.8 Metric Tons annually

Charger Hardware Configuration

Power Output (kW)

Energy to Deliver (kWh) Net energy demanded by pack

Electricity Tariff ($/kWh)

Estimated Charging Time

6h 40m

Delivering 46.2 kWh via 7.7 kW connection

Range Recovery Speed +24.3 mi / hr +39.0 km / hr

Delivery Cost per Hour $1.23 / hr At $0.16 / kWh tariff

Session Energy from Grid 51.33 kWh Includes 10% inverter losses

30-Minute Range Added +12.1 Miles Quick top-up estimate