Appliance Wattage & Running Cost
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How many watts does a hair straightener use? (100 W)

A hair straightener uses about 100 W
Typical range 25–200 watts.

Running cost calculator

Per hour
Per day
Per month
Per year
Energy/mo

A hair straightener heats a small set of plates, so it uses far less power than a hair dryer despite getting very hot.

Hair straightener power specs

Typical running power100 W
Typical range25–200 W
Energy use0.02 kWh/day · 0.6 kWh/mo

What affects the wattage

Running cost at $0.17/kWh

Electricity ratePer dayPer monthPer year
$0.10/kWh$0.00$0.06$0.73
$0.15/kWh$0.00$0.09$1.10
$0.20/kWh$0.00$0.12$1.46
$0.25/kWh$0.01$0.15$1.83
$0.30/kWh$0.01$0.18$2.19
$0.40/kWh$0.01$0.24$2.92

See the full breakdown of what it costs to run a hair straightener, or what size power station runs a hair straightener.

FAQ

How many watts does a hair straightener use?

Around 25-200 watts depending on size and plate temperature.

Does a straightener use much electricity?

No - it is one of the cheaper grooming tools to run.