Power Consumption Calculator

Calculate energy usage and cost for your electrical appliances.

W
Hours
$/kWh
Daily Energy: -
Monthly Energy: -
Daily Cost: -
Monthly Cost: -
Yearly Cost: -

Instructions

How to Use:

  • Enter Device Power (e.g., 100W for a lightbulb, 2000W for a heater).
  • Enter Hours Used Per Day.
  • Enter your Electricity Cost per kWh (check your utility bill).
  • Click Calculate to see the cost breakdown.

Tip: Use this to find "vampire" appliances that cost you money even when idle.