Calculate the exact cost to charge a Tesla or any electric vehicle based on your local electricity tariff ($/kWh) and calculate your annual fuel savings compared to a standard gas car.
Interactive Model & Inputs
Adjust variables below to instantly compute real-time projections and amortization.
Calculation Results & Payback Projections
How Tesla & Electric Vehicle Charging Costs Are Calculated
Calculating the cost to operate a Tesla or electric vehicle depends on three variables: monthly mileage, vehicle energy consumption efficiency (measured in kWh per 100 miles), and your local electricity tariff ($/kWh).
A Tesla Model 3 or Model Y consumes approximately 26 to 28 kWh per 100 miles (3.6 to 3.8 miles per kWh). At the national average residential electricity rate of $0.155/kWh, driving 1,000 miles costs just $41 to $43 in electricity—the equivalent of paying around $1.15 per gallon of gasoline.
Commercial fast charging on the Tesla Supercharger network costs between $0.28 and $0.45 per kWh depending on location and peak hours. Maximizing overnight home charging delivers 60% to 75% savings compared to public DC fast charging and gasoline.
EV Monthly Energy Consumption & Fuel Cost Equation
Monthly kWh = (Monthly Miles / 100) × (kWh / 100 mi); Fuel Cost = Monthly kWh × Tariff ($/kWh)Monthly mileage divided by 100 and multiplied by vehicle efficiency gives total energy demand in kilowatt-hours, which is then multiplied by local home or Supercharger electricity rates.
EV Fuel Savings & Charging Best Practices
60% to 75% Fuel Cost Savings
Driving on home electricity costs roughly $0.04 per mile compared to $0.13 to $0.16 per mile for gasoline vehicles.
Time-of-Use Off-Peak Charging
Charge overnight between midnight and 6:00 AM on dedicated EV tariffs to access electricity rates as low as $0.08/kWh.
Battery Longevity (The 80% Rule)
Keep daily charge limits set to 80% to preserve lithium-ion battery chemistry, reserving 100% charges for long road trips.
Substantial Carbon Reduction
Eliminate direct tailpipe emissions and slash lifetime transportation greenhouse gas emissions by over 60%.
Frequently Asked Questions
How much does it cost to fully charge a Tesla at home?
Fully charging a standard 60 kWh Tesla Model 3 battery from 0% to 100% at home costs approximately $9.30 based on the U.S. average electricity rate of $0.155/kWh, providing roughly 272 miles of range.
How much does a Tesla Supercharger cost compared to home charging?
Supercharging typically costs $0.28 to $0.45 per kWh, making a full charge cost between $17 and $27. Home charging overnight is approximately 50% to 65% cheaper than public Supercharger stations.
How much money do you save driving an EV compared to a gas car annually?
Driving 12,000 miles annually in an EV costs roughly $500 to $650 in home electricity compared to $1,800 to $2,200 for gasoline in a 28 MPG car ($3.60/gal), saving $1,200 to $1,600 per year on fuel alone.
Does fast charging degrade electric vehicle battery life?
Frequent DC fast charging can slightly accelerate battery degradation due to thermal stress. However, modern EVs with active liquid cooling typically retain over 85% to 90% battery health after 150,000+ miles.