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.