### LED Bulb Power Consumption Calculator

Enter the total number of hours usage, LED bulb wattage and price per unit, then press the calculate button to get the Total power consumption of the LED Bulb.

By default, you can get the value of 9 Watt LED bulb power consumption, electricity cost per day, per hour per month and per year. You can change the wattage.

Reset button removes the value in the field and set into default values.

### LED Bulb Power Consumption Calculation:

LED bulb is nothing but Light-Emitting diode. LEDs give better efficiency and long life as compared with the CFL bulbs with respect to cost and energy savings. By average LED provide 80-90 Lumens per watt which is equivalent to 5 times of incandescent lamps (16 lumens/Watt). Typically to get 900 lumens we can use only 10 Watts instead of 60 Watts incandescent lamps. Hence we get the net energy saving of 50 Watts.

By annually you get 432 Unit (kWh) as net saving from LED bulbs.

Let see how to calculate the LED bulb power consumption.

** Cost per hour:** cost LED bulb power consumption per hours. This data can be retrieved from the LED capacity itself. Any manufacture gives the capacity per hour basis only. i.e if you are planning to buy a 10Watts LED means, the per hour consumption will be 10 W, like that, half an hour consumption will be 5W.

The same way you can calculate per day and per year power consumption.

Also, the price will be declared by the government on per unit or kWh (kilo Watt hour) basis only.

In a few years ago India has started to rebate on LED bulbs. Therefore, the usage of LED bulbs become is increasing day by day.

However, the cost is a major impact of buying lighting products correct? To reduce the cost, the manufactures reducing the quality and life span of the LED bulbs.

Let us take a few examples of LED power savings,

### 10 watt led bulb power consumption:

As per Norms, your LED consumes 10 Watts Per hour.

If you run the bulb for 24 hours means, the total power consumption will be 24 * 10 = 240Watts

In case if you extend it runs for one year means, the total power consumption of the 10 Watt LED will be 10 * 24 * 365 = 86700 watts’ hour. In addition to that, we need to include energy loss. Which is 10% of the overload consumption. Hence the total consumption is equal to 86700 + 8670 = 96270 Watts

For converting watts to unit, the consumption will be 96270 / 1000 = 96.2 kWh. = 96 units

If you are living in Tamilnadu state means, up to 100 units your electricity bill is zero. hence you do not need to pay one rupee for your 10 Watts LED.

### 3 watt led bulb power consumption:

The 3 watts LED consumes 3 Watts per hours.

Per day power consumption = 3 * 24 =72Watts. Hence 3 Watts LED consumes 72W per day.

Per year power consumption: 3* 24 * 365 = 26280 Watts. + 10% of loss = 26280 + 2628 = 28908 Watts hour.

### 9 watt led bulb power consumption:

Hourly consumption: 9 Watts per hour,

Day Power consumption: 9* 24 = 216 W/H

Yearly power consumption = 9*24*365 + 10% power loss = 78840 + 7884 = 86724 Watts hour.

Converting into units 86.7 units per year.

### 5 watt led bulb power consumption per hour:

Hourly consumption: 5 Watts per hour,

Day Power consumption: 5* 24 = 120 W/H

Yearly power consumption = 5*24*365 + 10% power loss = 43800 + 4380 = 48180 Watts hour.

Converting into units 48.18 units per year is the yearly consumption of 5 watts LED bulbs.

### 0-watt bulb power consumption:

Many LED manufacture using the word “Zero Watt power consumption”, actually anyone cannot create zero power consumption LED. Zero watts is a simple marketing strategy. The net power consumption of 0 watts LED is 1 watt per hour.

Hourly consumption: 1 Watt per hour,

Day Power consumption: 1* 24 = 24 W/H

Yearly power consumption = 1*24*365 + 10% power loss = 8670 + 867 = 9627 Watts hour.

Converting into units 9.63 units per year is the yearly consumption of 0 watts LED bulbs.

### 0.5 watt led bulb power consumption:

Hourly consumption: 0.5 Watts per hour,

Day Power consumption: 0.5* 24 = 12 W/H

Yearly power consumption = 0.5*24*365 + 10% power loss = 4813 Watts hour.

Converting into units 4.81 units per year is the yearly consumption of 0.5 watts LED bulbs.