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Energy Cost Calculator

Calculate the running cost of your electrical appliances per day, month, and year.

Appliance Details

Estimated Cost

Based on your inputs

Enter details to see calculation

How to Calculate Energy Cost?

Shocked by your electricity bill? Use this calculator to find out which appliances are costing you the most money.

  1. Enter Power: Find the Wattage (W) on your device label (e.g., 2000W for a heater) and enter it.
  2. Enter Hours: Estimate how many hours per day it runs.
  3. Enter Rate: Check your bill for the "Cost per unit" or "kWh rate".
  4. See Result: We calculate the daily, monthly, and yearly cost instantly.

Common Appliance Wattages

  • Ceiling Fan: 50 - 75 Watts
  • LED Bulb: 9 - 15 Watts
  • Refrigerator: 150 - 400 Watts (running intermittently)
  • Air Conditioner (1 Ton): 1000 - 1500 Watts
  • Water Heater / Geyser: 2000 - 3000 Watts

Frequently Asked Questions

What is a kWh?

kWh stands for Kilowatt-hour. It is the unit of energy you pay for. 1 kWh is using 1000 Watts for 1 hour.

Why is my bill higher?

Bills often include fixed charges and taxes on top of the usage cost. Our calculator only estimates the usage cost.

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