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Mile Per Kilowatt-Hour Converters

Convert miles per kWh to and from km per kWh, kWh per 100 miles, kWh per 100 km, MPGe, and other EV efficiency units.

What this tool does

Convert miles per kWh to and from km per kWh, kWh per 100 miles, kWh per 100 km, MPGe, and other EV efficiency units. Type an amount in miles per kilowatt-hour, choose the units, and the tool converts it to kilometers per kilowatt-hour. It offers 11 electric vehicle efficiency units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one from 11 options, including Kilometer per kilowatt-hour, Mile per kilowatt-hour, Mile per gallon gasoline equivalent (MPGe), Kilowatt-hour per 100 kilometers, Kilowatt-hour per 100 miles, Kilowatt-hour per kilometer. Starts as Mile per kilowatt-hour.
  • To: Choose one of the same 11 units as "From". Starts as Kilometer per kilowatt-hour.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from miles per kilowatt-hour to kilometers per kilowatt-hour:

  • 1 mi/kWh = 1.609344 km/kWh
  • 5 mi/kWh = 8.04672 km/kWh
  • 10 mi/kWh = 16.09344 km/kWh
  • 50 mi/kWh = 80.4672 km/kWh
  • 100 mi/kWh = 160.9344 km/kWh

Multiply the number of miles per kilowatt-hour by 1.609344 to get kilometers per kilowatt-hour. Both units are exact definitions, so 1.609344 is the exact factor: 1 mi/kWh = 1.609344 km/kWh.

Sources: Mile per kilowatt-hour: exact by definition. Kilometer per kilowatt-hour: exact by definition.

Limitations

  • Converts the unit of an efficiency figure only. It does not estimate range, charging losses or running cost.
  • MPGe is based on the EPA figure of 33.705 kWh per US gallon of gasoline. Other sources may round it to 33.7.
  • The mile is the international mile (1.609344 km).

FAQs

Q: How do I convert mi/kWh to km/kWh?
A: Enter the value, keep miles per kilowatt-hour (mi/kWh) in the From box and kilometers per kilowatt-hour (km/kWh) in the To box. For example, 4 mi/kWh is about 6.437 km/kWh.
Q: Does a higher number mean a more efficient car?
A: Yes. Both units count distance per unit of energy, so a higher figure means more distance for the same energy.
Q: How is MPGe defined here?
A: MPGe uses the US EPA definition (40 CFR 600.002): one US gallon of gasoline is equivalent to 33.705 kWh of electricity. It is a US gallon, not an imperial gallon.
Q: Can I convert from km/kWh to mi/kWh instead?
A: Yes. Swap the From and To boxes. For example, 4 km/kWh is about 2.485 mi/kWh.

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