About EV Charging Cost & Time Calculator
Calculate the cost and time to charge your electric vehicle. Enter battery capacity, starting and target state of charge (SOC), and electric rate to estimate charging costs, cost per 100 miles, and dollar savings versus gasoline.
Key Capabilities & Features
- Calculates total kWh added, charging cost, and cost per 100 miles of driving
- Includes onboard charger efficiency loss modeling (90% standard)
- Estimated charging times across Level 1 (1.4 kW), Level 2 (7.7 kW, 11.5 kW), and DC Fast Charging (50 kW, 150 kW, 250 kW)
- Direct fuel cost comparison against a 30 MPG gasoline car showing dollar savings per 100 miles
How to Use EV Charging Cost & Time Calculator
Enter Battery Capacity
Input your EV's usable battery pack size in kWh (e.g. 60, 75, or 100 kWh).
Set State of Charge (SOC)
Adjust sliders for current battery % and target charging %.
Enter Electricity Rate
Provide your residential or public charging rate per kWh.
Review Costs & Speeds
See exact cost to charge, gas savings, and time required per charger type.
Privacy & In-Browser Execution Guarantee
100% client-side calculation. Your data never leaves your browser.
Frequently Asked Questions
How much does it cost to charge an electric car at home?
In the US, with an average electricity rate of $0.16/kWh, fully charging a 75 kWh battery pack from 20% to 80% (45 kWh) costs roughly $8.00, providing ~160-200 miles of range.
How long does Level 2 charging take?
A typical 240V 48A home Level 2 charger delivers ~11.5 kW, adding 30-45 miles of range per hour and charging an average EV in 4 to 7 hours.