EV Range Calculator

Estimate your electric vehicle's real-world range based on battery capacity, efficiency, charge level, outside temperature, and driving speed. Plan trips with buffer calculations.

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EPA-Estimated Range

328 mi

Practical Range

295 mi

Usable Energy

82.0 kWh

Efficiency

4.0 mi/kWh

Temp Factor

100%

Speed Factor

100%

Understanding EV Range

Electric vehicle range depends on three main factors: battery capacity (kWh), efficiency (how much energy the car uses per mile), and environmental conditions. Unlike gas cars, EVs are more efficient in stop-and-go city driving (thanks to regenerative braking) and less efficient at high speeds. Cold weather is the biggest range-reducing factor, dropping range by 20-40% in freezing conditions.

Popular EV Models

ModelBatteryEfficiencyEPA Range
Tesla Model 3 LR82 kWh4.0 mi/kWh328 mi
Tesla Model Y LR82 kWh3.6 mi/kWh293 mi
Ford Mustang Mach-E88 kWh3.3 mi/kWh293 mi
Chevy Bolt EV65 kWh3.7 mi/kWh241 mi
Hyundai Ioniq 577 kWh3.4 mi/kWh266 mi
VW ID.482 kWh3.2 mi/kWh265 mi
Nissan Leaf62 kWh3.3 mi/kWh207 mi
Rivian R1T135 kWh2.3 mi/kWh314 mi
Porsche Taycan93 kWh3.4 mi/kWh321 mi
F-150 Lightning131 kWh2.6 mi/kWh345 mi

Frequently Asked Questions

How is EV range calculated?
EV range is calculated by dividing the battery's usable capacity (kWh) by the vehicle's energy consumption rate (kWh/mile or kWh/100km). For example, a Tesla Model 3 Long Range with 82 kWh battery and 0.25 kWh/mile consumption has a range of 82 ÷ 0.25 = 328 miles. Real-world range is affected by temperature, speed, driving style, terrain, and use of accessories like HVAC.
Why does cold weather reduce EV range?
Cold weather reduces EV range by 20-40% primarily because: (1) battery chemistry slows down, reducing usable capacity, (2) cabin heating draws significant power (3-7 kW), (3) colder air is denser, increasing aerodynamic drag, and (4) tire pressure drops, increasing rolling resistance. Preconditioning the battery while plugged in can mitigate some of this loss.
How does highway speed affect EV range?
EV range drops significantly at highway speeds due to aerodynamic drag increasing exponentially with speed. At 75 mph, range is typically 20-30% less than at 55 mph. Unlike gas cars that are most efficient on highways, EVs are most efficient at 35-55 mph. Driving at 65 mph instead of 75 mph can extend range by 15-20%.
What is the difference between EPA range and real-world range?
EPA range is determined under controlled laboratory conditions. Real-world range is typically 15-25% less than EPA estimates. The EPA tests include a mix of city and highway driving at moderate temperatures. In cold weather, real-world range can be 30-40% less than EPA. In mild weather with careful driving, you might achieve 90-100% of EPA range.
How accurate is the battery percentage vs range display?
Modern EVs use sophisticated battery management systems (BMS) that estimate remaining range based on recent driving history, temperature, and battery health. The percentage display is generally more reliable than the miles/km estimate because it's based on actual state of charge. The range estimate adjusts dynamically as driving conditions change. For accurate trip planning, use the percentage and your expected efficiency rather than the dashboard range.
How much does towing affect EV range?
Towing can reduce EV range by 40-60%, depending on the trailer weight, aerodynamics, and speed. An EV rated for 300 miles might only get 120-180 miles while towing. The range loss is more significant than for gas vehicles because EVs don't have a 'sweet spot' where towing efficiency improves. This is a key consideration for anyone planning to use an EV for towing.

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