Energy & electricity calculators
Find out what each appliance really costs to run. Every calculator starts with typical wattage and usage for that appliance — change them to match yours and enter your own electricity rate.
7 free tools
Electricity Cost Calculator
Find out what any appliance really costs to run — per hour, day, month and year — from its wattage and your electricity rate.
Energy
AC Electricity Cost Calculator
Estimate how much electricity your air conditioner uses and what it adds to your bill each month.
Energy
Refrigerator Electricity Cost Calculator
Work out what your fridge or freezer costs to run, using realistic compressor cycling rather than the label maximum.
Energy
Space Heater Cost Calculator
Find what an electric space heater costs per hour and per month, including thermostat cycling.
Energy
Ceiling Fan Electricity Cost Calculator
See how little a fan costs to run, and how much a BLDC (DC motor) fan saves over an older model.
Energy
TV Electricity Cost Calculator
Estimate your TV’s electricity use and yearly cost, including the effect of screen size and brightness.
Energy
Washing Machine Electricity Cost Calculator
Estimate what your washing machine costs per cycle and per year — and why the wash temperature matters most.
Energy