EV home charging cost calculator

Pick a car (or enter your own numbers), choose a charger and a rate, and see what a charge costs and how long it takes.

Prices based on the Ofgem price cap of 26.11 p/kWh, effective 1 July 2026.Source: Ofgem

Car

Charger

Electricity rate

Charge from %

to %

This charge costs about

£13.35

Time: 6 hr 26 min
Charging speed: 7 kW
Energy into battery: 45.0 kWh
Energy from your meter: 51.1 kWh (incl. 12% losses)
Running cost: 5.7p per mile
Range added (WLTP): ~234 miles

Based on a rate of 26.11 p/kWh. Times are simple estimates; charging slows near 100%.

Estimates based on published rates — always check your own tariff. This site does simple arithmetic on public prices. It does not recommend tariffs, suppliers, or financial decisions.

Greenest time to charge (next 24 hours)

Fetching the carbon forecast…

Forecast data from the National Grid ESO Carbon Intensity API (carbonintensity.org.uk). Your postcode area is sent to that API to find your region; it is not stored.