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EV Charge Calculator

Calculate how much it costs to charge your electric vehicle. Compare home charging costs with different energy providers and public charging prices including lamppost chargers, on-street chargers, and fast charging stations.

Calculator Settings

0%20%100%
20%80%100%

Charging Results

Energy Needed
36.0 kWh
20% → 80% of 60kWh battery
Charging Time
4h 52m
At 7.4kW charge rate
Total Cost
£3.06
Energy: £3.06 at 8.5p/kWh
Cost Per Mile*
2.43p
*Based on 3.5 miles per kWh average
Note: Actual charging times may vary based on battery temperature, charger efficiency, and vehicle charging curve. Costs are estimates based on the selected price per kWh.

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EV Charging Cost FAQs

How much does it cost to charge an electric car at home?

It depends on your electricity tariff and your car's battery size. At 25p per kWh, a typical standard-tariff price, a full charge of a 60kWh battery costs about £15. On an overnight EV tariff at 8p per kWh, the same charge costs about £4.80. A dedicated 7kW home wallbox also charges far faster than a 3-pin socket.

How much does public charging cost in the UK?

Public charging costs vary widely. Lamppost and on-street chargers (typically 3 to 7kW) usually cost 35p to 50p per kWh. Rapid chargers (50kW DC) cost around 65p to 75p per kWh, and ultra-rapid chargers (150 to 350kW) can cost 70p to 85p per kWh without a membership. Some networks offer cheaper rates with a monthly subscription. Always check the displayed price before you start charging.

What is the cheapest home EV tariff in the UK?

Smart EV tariffs from suppliers such as Octopus, OVO and Scottish Power offer overnight rates that are a fraction of a standard tariff, often under 10p per kWh. Most need a compatible smart charger or car. Rates change often, so compare the current prices on each supplier's website before switching.

How long does it take to charge an electric car?

Charging time depends on battery size, how much charge you add and the charger speed. From a 3-pin socket (about 2.3kW), taking a 60kWh battery from 20% to 80% takes around 16 hours. A 7kW home wallbox takes around 5 hours for the same charge, and a 50kW rapid charger around 45 minutes. Ultra-rapid chargers can add a lot of range in 15 to 20 minutes, though most cars limit their maximum charging speed.

Should I charge to 80% or 100%?

For most EVs, charging to 80% is recommended for everyday use as it reduces battery wear over time. Most battery management systems are designed to keep the battery healthiest between 20% and 80%. Charging to 100% is fine before a long journey, but avoid leaving the battery at 100% for long periods. Check your vehicle handbook for your car's advice.