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MPGe to km/kWh Converter

Convert miles per gallon gasoline equivalent (MPGe) to kilometers per kilowatt-hour for comparing electric vehicle efficiency in metric units.

What this tool does

Convert miles per gallon gasoline equivalent (MPGe) to kilometers per kilowatt-hour for comparing electric vehicle efficiency in metric units. Type an amount in miles per gallon gasoline equivalent (MPGe), choose the units, and the tool converts it to kilometers per kilowatt-hour. It offers 5 electric vehicle efficiency units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Kilometer per kilowatt-hour, Mile per kilowatt-hour, Mile per gallon gasoline equivalent (MPGe), Kilowatt-hour per 100 kilometers, Kilowatt-hour per 100 miles. Starts as Mile per gallon gasoline equivalent (MPGe).
  • To: Choose one of the same 5 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 gallon gasoline equivalent (MPGe) to kilometers per kilowatt-hour:

  • 1 MPGe ≈ 0.0477479 km/kWh
  • 5 MPGe ≈ 0.23874 km/kWh
  • 10 MPGe ≈ 0.477479 km/kWh
  • 50 MPGe ≈ 2.387397 km/kWh
  • 100 MPGe ≈ 4.774793 km/kWh

Multiply the number of miles per gallon gasoline equivalent (MPGe) by about 0.0477479 to get kilometers per kilowatt-hour. The factor follows from exact definitions. It has more digits than fit here, so it is shown rounded.

Sources: Mile per gallon gasoline equivalent (MPGe): 40 CFR 600.002 (US EPA). 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.

FAQs

Q: How do I convert MPGe to km/kWh?
A: Enter the value, keep miles per gallon gasoline equivalent (MPGe) in the From box and kilometers per kilowatt-hour (km/kWh) in the To box. For example, 100 MPGe is about 4.775 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 MPGe instead?
A: Yes. Swap the From and To boxes. For example, 100 km/kWh is about 2094 MPGe.

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