How many watts does an electric toothbrush use? (3 W)

An electric toothbrush runs on a tiny rechargeable battery, so its charging dock uses a negligible amount of power.

Electric toothbrush power specs

What affects an electric toothbrush's wattage

An electric toothbrush is rated around 3 W, but the real figure shifts with a few things:

• Model and rating: An electric toothbrush ranges from about 1 W on efficient units to 5 W on larger or older ones — a spread of ~4 W.
• Usage: the real draw depends on the heat setting and run time.
• Standby: even idle it keeps drawing ~1 W, which quietly adds up over a year.
• Run time: because an electric toothbrush typically runs about 1 h/day, hours of use matter as much as raw wattage on your bill.

Running cost at $0.17/kWh

See the full breakdown of what it costs to run an electric toothbrush, or what size power station runs an electric toothbrush.