The calculator below allows you to enter the number of hours per day you utilise a particular appliance. Then enter the number of days you wish to base your consumption on and press calculate.

 

Unit cost in cents per kilowatt hour

Unit Costs

cents

Common Family/Living Room Appliances

Appliance	Power	Time	Power Usage
Computer (200W)	watts	hrs	kwh/units
Scanner (12W)	watts	hrs	kwh/units
Printer (15W)	watts	hrs	kwh/units
Radio (20W)	watts	hrs	kwh/units
Clock (12W)	watts	hrs	kwh/units
Incandescent Bulb (60W)	watts	hrs	kwh/units
Fluorescent Bulb (18W)	watts	hrs	kwh/units
Vacuum (2400W)	watts	hrs	kwh/units
Reverse Cycle Air-Con - Heating (1000W)	watts	hrs	kwh/units
Reverse Cycle Air-Con - Cooling (1000W)	watts	hrs	kwh/units
Fan Convector Heater (2400W)	watts	hrs	kwh/units
Bar Heater (2000W)	watts	hrs	kwh/units
Fan Heater(1000W)	watts	hrs	kwh/units
Ceiling Fan (50W)	watts	hrs	kwh/units
Pedestal Fan (70W)	watts	hrs	kwh/units
Ducted Evaporative Air-Con (700W)	watts	hrs	kwh/units

Average Usage

Enter usage (1-365 days)

Days

Calculate

R