Electricity bill Save money Save the planet 
Before we see how much electricity costs in ours homes, we have to understand how it's measured. What the heck is a kilowatt hour? 1º Watts The rate of electrical use at any moment is measured in watts. For example, a 60watt light bulb uses 60 watts or a air conditioner uses about 3400 watts 2º Watthours To know how much energy you're using you have to calculate how long you run your appliances. For example, when you run a 100watt appliance for an hour, you have: 100 watts * 1 hour = 100 watthour or 0,1 kwhour Example 2º seven 100watt light bulbs on for two hours, is 1,4 kWh (7 bulbs x 100W x 2h= 1400Wh = 1,4 kWh) Example 3º Running a 3400watt air conditioner during 3 hours is 10.2 kWh.
3ºHow much does electricity cost
The cost of electricity depends on how much you use, and possibly when you use it ( day or night).
We need to know a bit about the Spreadsheet. A Spreadsheet software is used to store information in columns and rows which can then be used to get some information. Spreadsheets are designed to work with numbers and text. The best way to learn it´s to practice, so go to Open Office. Now, with all this information, open spreadsheet and calculate your Electricity Bill
