How do you calculate watts per hour?
For this conversion, multiply the energy used in kWh by 1,000 to find the energy consumption in watt-hours. Then, you must divide that number by the number of hours you used it. Here’s the Formula for Calculating Kilowatt-Hours Into Watts: watts = (kWh × 1,000) ÷ hrs.
How do you calculate kilowatt-hours?
The “kilowatt-hours” you see on your power bill expresses the amount of power that you consumed in a month. To calculate the kWh for a specific appliance, multiply the power rating (watts) of the appliance by the amount of time (hrs) you use the appliance and divide by 1000.
How do you convert watts to kilowatt hours?
Since it takes 100 watts of power to work — to convert the power in watts to kilowatt-hours — you will multiply 100 watts by one hour. Then, you’ll divide by 1,000 to find the energy usage in kWh. If electricity costs 13 cents per kWh, then a 100-watt light bulb will cost 1.3 cents for every hour that it’s on.
What is a kilowatt-hour in Watts?
1,000 watts
One kilowatt is equal to 1,000 watts, so to figure out the kWh per day that your refrigerator uses, you simply need to divide the watt-hours per day (7,200) by 1,000 for a total of 7.2 kWh per day.
How do you convert watts to kilowatt-hours?
How to read your residential electric meter?
Method 1 of 2: Reading an Analog Electric Meter Understand the parts of your analog meter (also known as a dial meter) and how it works. Read the dials on your meter. Read them from left to right, just as you would if you were reading a book or a set of numbers. Find out how your electric company reads the last dial. Calculate the kilowatt hours you have used.
How do I read my digital electric meter?
Locate the digital electric meter. They are typically mounted on the side of a house or apartment building where the electric power line comes into the house through a conduit. Bring a notebook and pen with you so you can write down the reading. Read the numbers on the digital electric meter display.
How do I get the meter read?
Digital meters. These meters have a digital display screen.
How do I read the meter?
To read your meter: Read all the dials on the meter, beginning with the dial on the far right. If the hand on your meter dial is between two numbers, record the lower number. If your meter dial hand is directly on a number, look at the dial to its right.