kWh per mile Formula:
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kWh per mile is a measure of electric vehicle energy efficiency, showing how many kilowatt-hours of electricity are used to travel one mile. It's the electric equivalent of miles per gallon for gasoline vehicles.
The calculator uses the simple formula:
Where:
Explanation: This calculation gives you the energy consumption rate of an electric vehicle.
Details: Knowing your kWh per mile helps estimate charging costs, compare vehicle efficiency, and plan trips. Lower values indicate better efficiency.
Tips: Enter total kWh consumed and miles driven. Both values must be positive numbers. For best accuracy, measure over a full charge cycle.
Q1: What's a good kWh per mile value?
A: Most EVs range 0.25-0.35 kWh/mile. Values under 0.25 are excellent, over 0.4 may indicate inefficiency.
Q2: How does kWh per mile compare to MPGe?
A: MPGe converts kWh to gasoline energy equivalents (33.7 kWh = 1 gallon gas equivalent). Both measure efficiency but present it differently.
Q3: Does weather affect kWh per mile?
A: Yes, cold weather typically increases kWh per mile due to battery performance and cabin heating.
Q4: How can I improve my kWh per mile?
A: Drive at moderate speeds, minimize rapid acceleration, use regenerative braking, and reduce climate control usage.
Q5: Should I calculate this over multiple trips?
A: For the most accurate average, calculate over several charge cycles and different driving conditions.