Comments1k Share. Hayley Noelle LeBlanc (popularly known as Hayley) is the youngest child of the LeBlanc Family. She is 8 years old and is currently attending a private school and is in 2nd grade. Hayley is currently 4'3 and weighs 50 pounds.
Click calculate to find out the electricity cost of a single incandescent light bulb running at 60 Watts for 5 hours a day @ $0.10 per a kWh, keep in mind you can edit the numbers in the calculator. Cost Per Hour: Cost Per Day:ncandescent light bulbs have an average lifespan of 1000 hours or 41.6 days running 24/7. While comparable CFL light bulbs last an average of 9,000 hours or 375 days running 24/7 and an LED light bulb lasts 50,000 hours or 2,083 days.
Divide your lamp wattage by 1000 to get the kilowatts. Multiply your answer by your local kilowatt-hour rate. Multiply the answer by the number of hours you use the lamp per day. If you only use it for a half-hour daily, that would be 0.5 hours.Round to the nearest 15 minutes (0.25 hours) for your calculations.Multiply your answer by 365 to get the annual cost of operating your heat bulb, or by 30 to get the average monthly cost.f you only use it for a half-hour daily, that would be 0.5 hours. Round to the nearest 15 minutes (0.25 hours) for your calculations. Multiply your answer by 365 to get the annual cost of operating your heat bulb, or by 30 to get the average monthly cost.