Charging Tools
Cost to Charge
Calculator
Estimate what it costs to charge your Tesla at home in Austin. Adjust the inputs to match your car and your electricity rate, and every figure updates instantly.
Your Inputs
Austin Energy residential is about $0.12/kWh.
Many Model 3/Y are roughly 60–80 kWh.
Typical real-world Tesla efficiency is 3–4 mi/kWh.
AC home charging loses roughly 10% to heat.
Your Estimate
Cost to charge 20% → 80%
$6.00
- 45.0 kWh
- Energy added to battery
- $10.00
- Cost of a full charge
- 158 mi
- Estimated range added
- $0.038
- Cost per mile
These are estimates for planning only. Actual cost depends on your real electricity rate, charging conditions, temperature, and driving. Defaults reflect typical values as of June 8, 2026.
Default Assumptions & Sources
- Electricity rate $0.12 / kWh, a typical Austin Energy residential rate; check your own bill for the exact figure.
- Battery 75 kWh and efficiency 3.5 mi / kWh, representative of current Tesla models; set yours above.
- Charging losses 10%, typical AC home-charging overhead that does not reach the battery.
- Austin Energy: residential electric rates and line items
- Tesla: Model 3, Model Y, Model S, Model X specifications (battery and range)
Default values reviewed June 8, 2026. Electricity rates change over time; every input is editable, so enter the numbers you actually pay.
Want to compare your charging cost against gas, or find the cheapest places to plug in around town? Join the Tesla Owners Club of Austin and tap into the experience of owners across Central Texas.