Enter your Tesla Model, Battery Capacity, Charge Amount, and Electricity Rate to find out your Cost per Charge, Monthly Charging Cost, and Annual Charging Cost — plus your Effective Cost per kWh after accounting for Charging Efficiency losses at your chosen Charging Location.
Cost per Charge
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Energy Used
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Monthly Charging Cost
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Annual Charging Cost
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Effective Cost per kWh
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The cost to charge a Tesla at home depends on your local electricity rate and battery capacity. On average, it costs $8-15 to fully charge a Tesla Model 3 at home with typical electricity rates of $0.10-0.15 per kWh.
Yes, home charging is typically 2-3 times cheaper than Tesla Supercharging. Home electricity rates average $0.13/kWh while Supercharger rates range from $0.25-0.50/kWh depending on location and time of day.
Charging efficiency is affected by temperature, charging speed, and battery condition. AC charging at home is typically 90-95% efficient, while DC fast charging can be 85-90% efficient due to heat generation and power conversion losses.
Check your electric bill for the rate per kWh (kilowatt-hour). Rates vary by location, time of day, and usage tier. Some utilities offer special EV rates with lower nighttime costs for home charging.
Tesla recommends charging to 80-90% for daily use to preserve battery health. Only charge to 100% before long trips. The calculator allows you to adjust charging percentage to see cost differences.
Time-of-use rates can save 30-50% on charging costs by offering lower rates during off-peak hours (typically 9 PM to 6 AM). Many Tesla owners save $500-1000 annually with these rate plans.
AC charging (home/Level 2) uses your local electricity rate and is most efficient. DC fast charging (Superchargers/public) costs more due to demand charges, equipment costs, and faster charging convenience.
Cold weather can increase charging costs by 10-20% due to reduced battery efficiency and the need to heat the battery before charging. The car may also use energy for cabin heating while plugged in.