Home charging cost calculator
Find out what a full charge costs and your cost per mile, based on your battery size, efficiency, and electricity rate.
kWh
mi/kWh
Charging rate
Cost per mile
2.2p
Full charge
£4.80
~222 miles
Per 100 miles
£2.16
Range per charge
222 mi
Assumptions & how this is worked out
- Charging at 8.0p/kWh and 3.7 mi/kWh efficiency.
- Assumes a full charge from empty; real usable capacity is usually slightly lower.
- Real-world efficiency varies with speed, weather, and driving style.
- Figures are estimates to help you decide — not a quote or financial advice. Last reviewed 2026-06-13.
Want the full picture?
This calculator looks at one piece of the puzzle. Our free 2-minute quiz weighs up your charging, driving, and budget for an honest, personalised verdict — including whether to wait.