How Much Does a Hair straightener Cost to Run? (2026 Calculator)
Typical setup: 400 W · 0.3 h/day · $0.180/kWh
Daily
$0.02
Monthly
$0.65
Yearly
$7.87
Quick rate
Daily cost
$0.02
Monthly cost
$0.65
+$0.00 vs typical
Yearly cost
$7.87
kWh / month
3.6 kWh
Ad slot
ad-after-calculator Quick answer
A typical hair straightener uses about 400 W and costs about $0.02/day or $0.60/month at the U.S. average rate of $0.17/kWh, assuming 0.3 hours of use per day. At the same rate, costs range from about $0.01/day (200 W) to $0.04/day (800 W).
State explorer
Quickly spot cheapest, highest, and near-average monthly costs.
Top 10 cheapest
Top 10 highest
- Hawaii $1.43
- Massachusetts $1.12
- Maine $1.11
- California $1.09
- Rhode Island $1.09
- New York $1.02
- Connecticut $1.02
- New Hampshire $0.95
- Alaska $0.92
- District of Columbia $0.85
Cost by state (monthly)
At typical 400 W and 0.3 h/day. Rates from our dataset (see methodology ). Open a state for a dedicated calculator page.
Ad slot
ad-after-state-table Wattage range
| Level | Watts | Est. monthly @ avg rate |
|---|---|---|
| Low | 200 W | $0.32 |
| Typical | 400 W | $0.65 |
| High | 800 W | $1.29 |
Energy saving tips
- Turn the appliance off as soon as you are done using it.
- Avoid leaving the appliance in high-power standby modes.
- Unplug the appliance if it is rarely used.
FAQ
- Most hair straightener units fall between 200 W and 800 W, with 400 W as a typical operating value for estimates.
- Our estimates use 400 W as the typical wattage, within a reported range of 200–800 W.
- At typical use (0.3 hours/day at 400 W), the estimate is about 0.12 kWh/day and 3.6 kWh/month at the U.S. average rate.
- With 0.3 hours/day and 400 W, this appliance uses about 0.12 kWh per day.
- At 0.3 hours/day, the monthly estimate is about 3.6 kWh per month.
- Per hour, the typical draw is about 0.400 kWh (at 400 W).
- At the U.S. average electricity rate of $0.17/kWh, the typical daily cost is about $0.02/day for 0.3 hours/day.
- At the U.S. average electricity rate of $0.17/kWh, the typical monthly cost is about $0.60/month at 0.3 hours/day.
- Running for one hour at 400 W costs about $0.07/hour (using 0.17 $/kWh as the U.S. average).
- With typical use (0.3 hours/day at 400 W), the estimate is about $0.02/day or $0.60/month at the U.S. average rate.
- The estimate is about 3.6 kWh per month, which corresponds to roughly $0.60/month at the U.S. average rate. Your real bill depends on your rate and runtime.
- Use energy-saving tips tailored to this appliance. For example: Turn the appliance off as soon as you are done using it. — reducing kWh reduces the bill at your local rate.