๐ Household
Appliance Wattage Calculator
Every appliance draws a different amount of power, and the label rating is usually the maximum rather than what it uses moment to moment. Use this table-based estimate to see running watts and the monthly cost of one appliance.
How it works
Appliance
Quantity
Hours used per day
Electricity rate
Total connected wattage
Daily energy use
Monthly cost
Yearly cost
Frequently asked questions
How do I use the Appliance Wattage Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.