Cost to run a incandescent bulb
Short answer
Running a incandescent bulb (~60W, ~5 hrs/day) costs about $0.05/day, $2/month, or $18/year at the U.S. average of 16.8¢/kWh.
Wattage
60 W
Per day
$0.05
Per month
$2
Per year
$18
Figures assume ~60W for ~5 hours a day at the U.S. average 16.8¢/kWh. Your state's rate and your real usage change the total — enter both in the calculator.
Your rate & usage
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Frequently asked questions
How much does it cost to run a incandescent bulb?
About $0.05 per day, $2 per month, or $18 per year at the U.S. average of 16.8¢/kWh, assuming ~60W for ~5 hours a day.
How many watts does a incandescent bulb use?
A typical incandescent bulb draws about 60 watts when running. Your model may differ — check its label or a plug-in power meter and enter the real number in the calculator.
How can I cut the cost of running a incandescent bulb?
Run it less, use a more efficient model, and check whether your utility offers cheaper off-peak (time-of-use) rates. Costs also vary 4× by state, so your local rate matters a lot.