How Much Does It Cost to Run a White Noise Machine?
A white noise machine hums all night at about 5 watts — a year of better sleep costs about two dollars. At the US-average rate of 16.5¢/kWh, running a white noise machine costs about $0.20/month ($2.41/year) at typical use. Adjust the watts, hours, and your rate below for your exact number.
Cost to run a white noise machine
$2/yr
- Per day
- $0.01
- Per month
- $0.20
- Energy per year
- 15 kWh
Cost = power (kW) × hours × days × your rate. Defaults are typical values — enter your appliance's actual watts (often on a label) and your real rate for a precise figure.
How much electricity does a white noise machine use?
At 5 W for 8 hours a day, a white noise machine uses about 0.0 kWh per day — roughly 1 kWh per month and 15 kWh per year. That's about 1% of the 863 kWh the average US home uses in a month. Energy use is the same everywhere — only the price per kWh changes your bill.
Wondering about the circuit instead? See how many amps a white noise machine draws.
Cost to run a white noise machine by electricity rate
Same 5 W appliance, 8 h/day — the bill changes with where you live.
| Scenario | Rate | Per month | Per year |
|---|---|---|---|
| Cheapest states (North Dakota) | 11.5¢ | $0.14 | $1.68 |
| US average | 16.5¢ | $0.20 | $2.41 |
| Most expensive (Hawaii) | 42.9¢ | $0.52 | $6.26 |
Find your state's rate on the electricity rates by state page, or see the appliance wattage chart for more devices.
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