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How to calculate electric car mpg?

I'm new to electric vehicles—can someone tell me how to calculate the mpg of an electric car?

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Chanice Boyd · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Welcome to the all-electric auto world. Instead of mpg (miles per gallon), electric cars use MPGe (miles per gallon equivalent) as their measurement. With a simple formula, you can calculate your EV’s MPGe on your own.
To calculate your electric car’s MPGe use the formula below:
  • 33.7kWh of electricity = 1 gallon of gas
Example: A car that uses 33.7 kWh of electricity to travel 100 miles will equal 100 MPGe.
In the early 2000s the Environmental Protection Agency (EPA) created the MPGeto serve as a unit of measurement to measure the energy consumption level of an
electric car
. The EPA saw the need to have a measurement comparable to a gas-fueled vehicle’s mpg.
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