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kWh per 100 Miles Calculator

Convert EV efficiency into electricity used per 100 miles.

Use this calculator

Enter EV efficiency above zero.

What your result means

kWh per 100 miles fixes the distance and shows electricity consumed. Lower values are more efficient; it is the inverse view of miles per kWh and is useful when comparing published consumption figures.

Worked example

3.5 miles/kWh:

Electricity use
28.57 kWh per 100 miles
Wh per mile
285.7

A lower value means less electricity is required for the fixed distance.

Formula

kWh/100 miles=100miles/kWh\text{kWh/100 miles}=\frac{100}{\text{miles/kWh}}

Inverse efficiency reference

Miles/kWhkWh per 100 miles
2.540
333.33
3.528.57
425
4.522.22
520

Using the result

Use this metric when comparing fixed-distance energy use; use miles/kWh when you prefer distance per unit of energy.

Assumptions and limitations

  • This is an efficiency conversion, not a real-world range prediction.

Helpful questions

Is lower kWh per 100 miles better?

The result changes directly with the values entered; real-world driving and charging conditions can differ.

Why is it inverse?

The result changes directly with the values entered; real-world driving and charging conditions can differ.

Does it include charging losses?

The result changes directly with the values entered; real-world driving and charging conditions can differ.

Can I compare different EVs?

The result changes directly with the values entered; real-world driving and charging conditions can differ.

What affects the figure?

The result changes directly with the values entered; real-world driving and charging conditions can differ.

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