How To Calculate Electricity Bill? Electric Bill Calculator

How To Calculate Your Electricity Bill. Electric Bill Calculator with Examples

Calculate Your Electricity Bill in 1 min by Simple Calculation. Electric Energy Bill Calculator

It is very easy to calculate the electricity bill and tariff for electrical engineering students and professionals but, it makes confusion for non-technical people that concern about their electric charges from the electricity service providers.

Below is a simple example and calculation about electricity bill. By following this simple tutorial, you will be able to easily calculate your electricity bill. In addition, we have added a very useful electrical energy, and electricity bill calculator for easy calculation of electric power consumption.

Example:

Suppose, a consumer consumes 1000 watts load per hour daily for one month. Calculate The Total Energy bill of the consumer if per unit rate is 9 (In $, £, €, INR ,Rs, DHR, Riyal etc) [Take 1 month = 30 Days].

Solution:

1 Unit = 1kWh.

So the Total kWh = 1000 Watts x 24 Hrs x 30 Days = 720000     …     Watts / hour.

We want to convert it into electric units, Where 1 Unit = 1kWh.

So the total consumed units by user: = 720000 / 1000     …     (k = kilo =1000).

Total Consumed Units = 720.

The cost of per unit electricity is 9.

Therefore, the total Cost of Electricity Bill = 720 units x 9 = 6480. (In $, £, €, ¥, INR “₹” PKR, Rs, Peso, AED “Dirham”, SAR “Riyal” etc. or any other currency).

That’s it. You have Done 🙂

Select Country:

Typical Appliance:

Power Usage:

Hours of Use per Day:

Hours/Day

1 Unit “kilowatt-hour (kWh)” Cost:

Electricity Cost per Day:

Electricity Cost per Month:

Electricity Cost per Year:

Calculation of Electric Energy Consumption

The following formula is used for electrical energy consumption.

E = P x t     …     (Wh)

E = P x t ÷ 1000     …     (kWh)

Consumed Energy = Energy Used in Watts x Time in Hours

Where:

• E = Electrical Energy (Consumed in kWh)

• P = Power in Watts

• t = Time in hours per day

Wh (Watt-hour) is a small unit, so we divide the consumed energy on 1000 to get the value of energy in kWh instead of Wh.

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Example:

Consumed Energy = 2kW x 5 Hours = 10kWh

Calculation of Cost of Electricity and Bill Estimation

The following formula can be used as electric bill estimator per hour in dollars or other local currency.

Cost of electricity per hour = Consumed Energy in kWh x Cost of 1 Unit electricity

Cost Per Hour = kWh x Unit Price

E = P x t     …     (Wh)

E = P x t ÷ 1000     …     (kWh)

Energy Cost = Energy Used in kWh x Time in Hours

Example:

Cost Per Hour = 5kWh x .50 Cents per unit = $2.5

Good To Know:

A question is raised about why we multiplied the total consumed watts with 24 although the daily rate is already given. Note that It is not the value of daily rates, but It’s the rate of Per Unit electricity, Where 1 Unit = 1 kWh (Also known as 1 = B.T.U = Board of Trade Unit).

Good to know: 1 Board of Trade Unit = 1 B.O.T Unit = 1kWh = 1000Wh = 36 x105 … Joule or Watt-seconds = 3.6 MJ 

For instance, If you switched ON a 1000 watt bulb for 1 hour, It means you have consumed 1000 watts for an hour i.e. (1000 watts for 1 hour = 1kWh = 1 unit of energy). So if the rate of one unit is $5 , then you will have to pay 5 Dollars as electric bill for your lighted bulb which have consumed 1000 watts for one hour = 1kWh = 1 unit of electricity.

The following table shows the estimated value of wattage rating (in Watts) for different and common household devices, appliances and equipment.

Fan

80

LED Light Bulb

25

AC – Air Conditioner

900

Refrigerator

250

Electric Heater

2000

Water Heater

4000

Hair Dryer

1500

Clothes Dryer

3000

Clothes Iron

1400

Dishwasher

1300

Electric Kettle

1700

Toaster Oven

1100

Microwave Oven

1000

Desktop Computer

150

Laptop Computer

100

TV – Television

120

Stereo Receiver

300

Vacuum Cleaner

1200

Washing Machine

1500

Coffee Machine

1000

Blender

500

Water Pump

800

Sewing Machine

100

Thankless Water Heater

15000

Isn’t it easy to calculate your electricity bill?… if you face any problem regarding your electricity bill calculation or want to know more about your costume (home, residential or commercial electricity bill, let us know in the comment box below. We will help as soon as possible

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