Enter the average power consumption of the device in watts.
0 watt bulb consumption per hour.
To save money upgrade to energy efficient cfls or leds when your incandescent bulbs expire.
Enter how many hours the device is being used on average per day if the power consumption is lower than 1 hour per day enter as a decimal.
Click calculate to find out the electricity cost of a single led light bulb running at 10 watts for 5 hours a day 0 10 per kwh you can also modify the input fields if needed.
And by replacing ten 60 watt light bulbs with compact fluorescents to save 123 per year upfront cost estimate.
Depending on how much your energy supplier charges per kwh for electricity.
By turning off a single 100 watt light bulb from continually running you can save 131 per year.
Ten light bulbs use 6 cents an hour.
A typical cheap 60 watt equivalent to incandescent led light bulb is advertised as providing 800 lumens lasting up to 10 000 hours at 10 watts.
But for a longer run you can get back the differential cost within 2 months by using cfl bulb.
If you use those bulbs for 6 hours a day it ll cost you 36 cents a day or about 10 a month.
Enter the cost you are paying on average per kilowatt hour our caculators use the default value of 0.
If you left a 100 watt bulb switched on for a whole year you would consume 876 kwh.
If you use it for 6 hours per day and 30 days per month an 8 watt led s power consumption will be 1 440 wh per month 1 44 kwh per month or 17 28 kwh per year.
60 24 1440 wh per day.
These days you can opt to led alternatives if you are still interested in going for zero watt.
Here 60 watts indicates 60 watts per hour or 0 06kw hour.
Taking rs 8 as per unit cost of electricity the annual amount of bill will be.
But last led bulbs come with the 0 5 to 1 watt in the name of zero watts bulb with the price of 75 1 usd.
The formula will be e kwh zero watt bulb wattage hours per day.
The power consumption of zero watts bulb e kwh zero watt is equal to the wattage times of the operating hours per day divided by 1000.
Power consumption of zero watt bulb.
Alternatives for zero watt bulbs.
Interesting figures if you left your light on for a whole year.
Thus units consumed per year will be 365 15 24 1000 131 4 kwh.
Let us check the live.
Hours used per day.
The amount you pay will vary from one supplier to another.
That may not sound like a lot but 120 a year for lights that you may not be using all the time does.
30 minutes per day is 0 5 power use watts.
16 watts per hour day power consumption.