How this appliance kwh calculator works
Watts are converted to kilowatts and multiplied by operating hours and days.
How to use it
- Power draw. Enter the value in W.
- Hours used per day. Enter the value in hours.
- Days used. Enter the value in days.
- Request the result. Select “Show my result.” No account or email is required.
What to do with the number
Nameplate wattage may differ from average draw when an appliance cycles or changes power. Use a plug-in energy meter for appliances with variable or cycling loads.
Use this result as a starting point, not a guarantee. Product specifications, site conditions, manufacturer guidance, local codes, taxes, labor, tolerances, and rounding can change the real requirement or cost.