Electricity Usage Calculator

Use our electricity usage calculator to calculate the energy consumption cost of your various electrical appliances and devices.

Find your Electricity Cost in KWH.

To use the calculator, get out your electric bill and find what your electrical company charges you for Kilowatt Hour (KWH). Enter that value in the "Kilowatt Hour Cost" box.

Enter Wattage of the Device.

Next, enter the wattage of the device in the 'Wattage of Device' input box.

Enter Hours of Use per Day

Finally enter the number of hours per day that you will be using the device and press the 'Calculate Cost' button.

You can also select a known device from the dropdown at right, and press "Select Device and Calculate".

Commonly Used Devices
60 Watt Incandescent Light Bulb
100 Watt Incandescent Light Bulb
Compact Fluorescent Lamp
Clothes Dryer
Computer System
Computer System (sleep mode)
Drip Coffee Maker (brew)
Drip Coffee Maker (warm)
Electric Blanket
Furnace Fan
Microwave Oven (Highest Setting)
Oven at 350 degrees
Space Heater (portable)
LCD HD TV - 47 Inch
LCD Monitor - 22 Inch
Device Name:
Wattage of Device:
Kilowatt Hour Cost:
Hours of use per day:
Cost Per Hour: $0.000000
Cost Per Day: $0.000000
Cost Per Week: $0.000
Cost Per Month: $0.00
Cost Per Year: $0.00
Read about the
Power Meter.

Calculate your electricity usage to the dime!

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