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The simple way to calculate cost is $1 per watt per year. This is based on a cost of about 11 cents per kilowatt hour. Your cost may vary.

So, 60 watts times 1/2 year (12 hours /day) divided by 12 ( 1 month) equals $2.50 per month.

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โˆ™ 12y ago
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Q: How much cost to burn a 60 watt bulb 12 hours a day for 30 days?
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