Enter the cost you are paying on average per kilowatt hour our caculators use the default value of 0.
0 watt bulb consumption per hour.
Power consumption of zero watt bulb.
By turning off a single 100 watt light bulb from continually running you can save 131 per year.
Enter the average power consumption of the device in watts.
Depending on how much your energy supplier charges per kwh for electricity.
Here 60 watts indicates 60 watts per hour or 0 06kw hour.
A 100 watt bulb uses 0 1 kwh of electricity per hour.
30 minutes per day is 0 5 power use watts.
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.
To save money upgrade to energy efficient cfls or leds when your incandescent bulbs expire.
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.
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.
Ten light bulbs use 6 cents an hour.
Alternatives for zero watt bulbs.
These days you can opt to led alternatives if you are still interested in going for zero watt.
But for a longer run you can get back the differential cost within 2 months by using cfl bulb.
Thus units consumed per year will be 365 15 24 1000 131 4 kwh.
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 amount you pay will vary from one supplier to another.
60 24 1440 wh per day.
Taking rs 8 as per unit cost of electricity the annual amount of bill will be.
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.
The 9 6 to 7 1 watt models are common enough and obtainable also a few dollars per bulb they re everywhere you turn.
Let us check the live.
If you use those bulbs for 6 hours a day it ll cost you 36 cents a day or about 10 a month.
Interesting figures if you left your light on for a whole year.
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.
And by replacing ten 60 watt light bulbs with compact fluorescents to save 123 per year upfront cost estimate.
The formula will be e kwh zero watt bulb wattage hours per day.
60 watt cfl power consumption calculation.
16 watts per hour day power consumption.