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How Much Does It Cost to Run a Electric Toothbrush Charger in the UK? (2026)

An electric toothbrush charger draws about a watt whether or not the brush is on it. Over a year that is under 10 kWh, one of the smallest loads in the house.

A typical electric toothbrush charger (1 W) costs £0.000 per hour, or about £0.19 per month at 24 hours a day in United Kingdom. Cheap to run

WattagePer hourPer dayPer monthPer year
Low (0 W)£0.000£0.003£0.094£1.14
Typical (1 W)£0.000£0.006£0.19£2.28
High (2 W)£0.001£0.012£0.37£4.56

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 24 h/day ≈ 9 kWh per year.

In the UK, with electricity at £0.26 per kWh (source: Ofgem price cap 1 Jul–30 Sep 2026, 2026-07), a typical electric toothbrush charger costs £0.000 per hour and about £2.28 per year at 24 hours a day. Each £1.00 of electricity buys roughly 3,846.2 hours of use.

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How to lower the cost of running a electric toothbrush charger

In standby it draws about 0.5 W, which adds roughly 4 kWh (£1.14) per year if it is never unplugged.

Frequently asked questions

How much does it cost to charge an electric toothbrush?

Under 10 kWh a year, a dollar or two.

Does the charger use power when the brush is not on it?

Yes, about half a watt on inductive chargers.

Should I unplug my toothbrush charger?

Only for peace of mind. The saving is negligible.

Cost by region

Related appliances

Use the generic electricity cost calculator →