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How do you calculate gas savings for an electric car?

I’ve been thinking about buying an electric car in order to become more eco-friendly, but will it actually save me money compared to gas? How do I calculate the difference?

avatar
Allison Stone · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
The idea of having to convert to a new style of fuel might be intimidating, but it’s actually pretty easy to figure out how much you’re saving by driving an
electric car
The average gas-powered passenger vehicle in the U.S. gets about 25 miles per gallon. At even $3 per gallon, after 1,000 miles you’re spending $120 on gas.
The average electric car uses 34 kWh per 100 miles. This means if you were to drive 1,000 miles in a month while paying the U.S. consumer average kilowatt rate of 13 cents per kilowatt, you’d be paying $44.20 a month in electricity to charge your car. If you want to do the math for yourself, try the following steps:
  • Find out how much you’re paying per kilowatt on your monthly electric bill
  • Use your odometer on your electric car to track your mileage per month
  • Find out how many kilowatt-hours(kWh) your car uses per 100 miles.
  • Calculate how many kWh you have used for that month, and multiply it by the cost you’re paying per kilowatt on your electric bill.
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