How Much Does It Cost to Run an Electric Toothbrush Charger in Australia? (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 A$0.000 per hour, or about A$0.25 per month at 24 hours a day in Australia. Cheap to run

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 0 WA$0.000A$0.004A$0.13A$1.53
Typical 1 WA$0.000A$0.008A$0.25A$3.07
High 2 WA$0.001A$0.017A$0.50A$6.13

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.

In Australia, with electricity at 35.0¢ per kWh (source: AER Default Market Offer 2026–27, 2026-07), a typical electric toothbrush charger costs A$0.000 per hour and about A$3.07 per year at 24 hours a day. Each A$1.00 of electricity buys roughly 2,857.1 hours of use.

How to lower the cost of running an electric toothbrush charger

In standby it draws about 0.5 W, which adds roughly 4 kWh (A$1.53) 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