Electric Vehicle Range Calculator

Estimate EV range from battery size and efficiency with seasonal adjustments.
kWh
mi/kWh

Ideal Range

263 mi

Winter Range

223 mi

Range Estimates

Ideal (no HVAC)263 miles
Summer (AC on)243 miles
Winter (heat on)223 miles
Battery75.0 kWh
Efficiency3.5 mi/kWh

Use the Electric Vehicle Range Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Our Electric Vehicle Range Calculator helps you estimate how far your EV can travel on a single charge, considering crucial factors like battery capacity and efficiency. Understanding your real-world range is vital for trip planning and preventing range anxiety, especially as 2026 models like the Tesla Model 3 Long Range are projected to achieve EPA estimates of up to 340 miles, while the Ford F-150 Lightning Extended Range might be closer to 320 miles. This tool empowers you to make informed decisions about your daily commutes and longer journeys.

The calculator utilizes a straightforward formula: Range = (Battery Capacity in kWh / Efficiency in Wh/mile) * (1 - Seasonal Adjustment Factor). We use an average efficiency baseline (e.g., 250 Wh/mile or 4 miles/kWh is a common modern EV average) and apply seasonal adjustments based on ambient temperature's impact on battery performance and cabin heating/cooling. For instance, a 20% range reduction in winter is common, meaning a 0.2 seasonal adjustment factor would be applied for cold weather.

Remember that manufacturer-stated ranges are often optimistic, tested under ideal conditions that rarely reflect real-world driving. Aggressive driving, heavy loads, and consistent use of climate control significantly reduce actual range. Over-reliance on advertised figures without considering your specific driving habits is a common mistake.

Example: Estimating Winter Range for a 2026 EV

  1. 1 Let's say you own a 2026 EV with a 80 kWh battery and an advertised efficiency of 280 Wh/mile (3.57 miles/kWh). You're planning a trip during winter where temperatures consistently hover around 20°F.
  2. 2 First, calculate the ideal range: 80 kWh / 0.280 kWh/mile = 285.7 miles. Next, apply a common winter degradation factor of 25% (0.25). So, 285.7 miles * (1 - 0.25) = 214.3 miles.
  3. 3 Your estimated real-world range in winter conditions would be approximately 214 miles.
  4. 4 This means that while your EV might achieve close to 286 miles in ideal conditions, you should plan your winter trips assuming a significantly reduced range to avoid unexpected charging stops. This 214-mile estimate provides a more realistic expectation for cold-weather travel.

Source: DOE · Last updated: April 2026

Frequently Asked Questions

How far can an electric car go on a full charge?
Most modern EVs offer 200-350 miles of range on a full charge. Factors like speed, temperature, terrain, and use of heating or A/C can reduce real-world range by 10-30% from the EPA estimate.
How does cold weather affect EV range?
Cold weather can reduce EV range by 20-40%. Battery chemistry is less efficient in freezing temperatures, and cabin heating draws significant power. Preconditioning the battery while plugged in helps minimize the loss.
What is EV efficiency measured in?
EV efficiency is typically measured in miles per kilowatt-hour (mi/kWh) or watt-hours per mile (Wh/mi). A typical EV uses 3-4 mi/kWh. Higher efficiency means more range from the same battery size.

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