Appliance electricity cost calculators
Find out how much your appliances cost to run.
Use watts, hours, and your electricity rate to estimate daily, monthly, and yearly running costs.
Estimated energy use 0.00 kWh/day
Per day $0.00
Per month $0.00
Per year $0.00
Start with a popular appliance
These first calculators cover the pages planned for the initial WattCostGuide launch.
Heating & Cooling Space Heater Cost Calculator 1500W typical estimate Heating & Cooling Air Conditioner Cost Calculator 1200W typical estimate Heating & Cooling Fan Cost Calculator 60W typical estimate Kitchen Appliances Refrigerator Cost Calculator 180W typical estimate Heating & Cooling Dehumidifier Cost Calculator 500W typical estimate Laundry & Cleaning Clothes Dryer Cost Calculator 3000W typical estimate Kitchen Appliances Air Fryer Cost Calculator 1500W typical estimate Electronics Gaming PC Cost Calculator 500W typical estimate
The basic formula
Cost = Watts / 1000 x Hours Used x Electricity Rate
Learn the basics
Use these guides to understand watts, kWh, electricity rates, and common appliance estimates.
Basics Watts to kWh Understand the unit used on electricity bills. Basics How to Calculate Electricity Cost Use watts, hours, and price per kWh to estimate running cost. Appliance Planning Average Appliance Wattage Compare typical wattage ranges for common household appliances. Utility Bills Electricity Rate Cost per kWh Learn what cost per kWh means and where to find your rate.