Electric Vehicle Range Calculator
Estimate EV Range
Calculate real-world EV range based on conditions
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EV Trip Planner
Check if you can make a trip without charging
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Formula
Range = Battery (kWh) x Efficiency (mi/kWh) x Speed Factor x Temperature Factor x HVAC Factor
Frequently Asked Questions
How does temperature affect EV range?
Cold weather is the biggest range killer. At 20°F, an EV can lose 20-40% of its range due to battery chemistry (lithium-ion batteries are less efficient when cold) and cabin heating (which draws from the same battery). Heat also reduces range by 5-15% due to AC use and thermal management.
Why is highway range lower than city range for EVs?
Unlike gas cars, EVs are more efficient at lower speeds. At highway speeds (70+ mph), aerodynamic drag increases exponentially and there is no regenerative braking. An EV rated at 300 miles may only achieve 200-240 miles of highway range at 75 mph.
What is a good mi/kWh efficiency?
Smaller efficient EVs (like a Tesla Model 3) achieve 3.5-4.5 mi/kWh. Mid-size EVs get 2.5-3.5 mi/kWh. Large electric trucks and SUVs get 1.8-2.5 mi/kWh. Higher numbers mean more efficient use of battery energy.
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