Energy Consumption Calculator
Appliance Name (optional)
Power (Watts)
Please enter a valid power value.
Hours Used Per Day
Please enter hours between 0 and 24.
Electricity Rate ($/kWh)
Please enter a valid rate.
Calculate
Results
Daily Energy Use:
kWh
Daily Cost:
$
Monthly Cost:
$
Formula: Energy (kWh) = (Watts × Hours) / 1000. Cost = Energy × Rate.