How Much Does It Cost to Run an Electric Toothbrush Charger? (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 $0.13 per month at 24 hours a day in the US. Cheap to run

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 0 W$0.000$0.002$0.066$0.80
Typical 1 W$0.000$0.004$0.13$1.61
High 2 W$0.000$0.009$0.26$3.21

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

One day of an electric toothbrush charger (0.02 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #9 of 95 appliances, from least to most.

Around the world per year at typical use, local prices

How to lower the cost of running an electric toothbrush charger

In standby it draws about 0.5 W, which adds roughly 4 kWh ($0.80) 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

US states
Canadian provinces

Related appliances

Use the generic electricity cost calculator · Which uses more? Take the quiz