How to Calculate Kilowatt Hours2
How to Calculate Kilowatt Hours
Find the wattage on the appliance label.
hours
minutes
Multiply wattage by hours used each day.
days
days
Divide the result by 1000.
hours
hours
Multiply your answer by the number of days you're measuring.
days
hours
Multiply by the cost of electricity per kWh.
days
hours