Energy Utility Tool

Electricity Cost Calculator

Calculate the energy consumption (kWh) and operating cost of your home appliances. Enter the wattage, usage hours, and your utility rate to get daily, monthly, and yearly estimates.

AC (1.5kW) Laptop (100W) Fan (50W)
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Use your local currency value (e.g. ₹8 or $0.15).
Energy Consumption

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kWh (Units) Per Day

Estimated Operating Cost
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What is an Electricity Calculator?

The Electricity Cost Calculator by AJAI Tech Solutions helps homeowners and business owners estimate the running costs of any electrical device. Whether you are running a 1.5-ton Air Conditioner, a Bitcoin mining rig, or just wondering how much your refrigerator costs you every month, this tool provides instant financial transparency.

By entering the wattage of your device and your local utility rate, you can accurately budget your monthly expenses and identify power-hungry appliances.

Identify Energy Hogs

Find out exactly which appliances are driving up your electricity bill and calculate how much you could save by reducing their usage.

Currency Agnostic

The calculator works with any currency. Just input your local rate per kWh (e.g., $0.15 USD or ₹8 INR) and the results will reflect your local currency.

How to use the Electricity Calculator

  • Step 1: Find the power rating of your appliance. This is usually written on a sticker on the back or bottom in Watts (W) or Kilowatts (kW).
  • Step 2: Enter the power rating into the calculator and select W or kW.
  • Step 3: Estimate how many hours per day the appliance runs. (e.g., A TV might run 4 hours, a Fridge runs 24 hours).
  • Step 4: Check your latest electricity bill to find your Rate per kWh (also known as Unit Rate) and enter it.
  • Step 5: Click Calculate to see your Daily, Monthly, and Yearly running costs.

Frequently Asked Questions (FAQs)

A Kilowatt-hour (kWh), commonly referred to as "One Unit" on your electricity bill, is a measure of energy. It represents the amount of energy used if you keep a 1,000-Watt appliance running for exactly 1 hour. For example, a 100W light bulb left on for 10 hours will consume 1 kWh (1 Unit) of electricity.

Almost all electrical appliances have a nameplate or label indicating their power draw in Watts (W) or Amps (A) and Volts (V). If the label only shows Amps and Volts, you can calculate Watts by multiplying them: Watts = Volts × Amps.

This calculator estimates the pure energy consumption cost. Utility companies often add fixed connection fees, transmission charges, and taxes to your final bill. Additionally, some appliances like refrigerators cycle on and off (they don't draw max power 100% of the time), so estimates may vary slightly.