About the EV Range Calculator
Real-world electric car range from battery size, efficiency and driving conditions.
Also known as: electric car range, ev miles per kwh, real world ev range, battery range calculator.
How to use this calculator
- Enter usable battery capacity, efficiency, conditions, reserve to keep.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
range = usable kWh ÷ efficiency × 100
Worked example
Using the values pre-filled in the calculator above:
- Usable battery capacity = 58 kWh
- Efficiency = 18 kWh/100km
- Conditions: Mild, mixed driving
- Reserve to keep = 10 %
the calculator returns:
- Real-world range: 290 km
- In miles: 180.2
- Full battery range: 322.2 km
- Adjusted efficiency: 18 kWh/100km