Appliance Electricity Cost & Power Consumption Calculator

Calculate monthly electricity consumption and bill for your home appliances.

Slab Presets
Selected Appliances
ApplianceWattageHours/DayQtyUnits / Estimated Cost

Appliance Electricity Cost & Power Consumption Calculator – How It Works

Understand your home's electricity usage, appliance by appliance

What Is an Appliance Electricity Cost Calculator?

Have you ever looked at your electricity bill and wondered — which appliance is eating up all my units? You're not alone. Most people in India know their monthly bill amount but have no idea which device is costing them the most. That's exactly where this appliance electricity cost calculator becomes useful. This tool lets you select the appliances you use at home — like a fan, AC, refrigerator, TV, or geyser — enter the number of hours you run them daily, and instantly get an estimate of how many units each device consumes and how much it costs per month. Unlike a basic electricity bill calculator that takes total units as input, this tool works from the appliance level upwards. It's more detailed, more personal, and gives you a much clearer picture of your actual electricity usage.

How Does This Power Consumption Calculator Work?

The calculation behind this tool is straightforward. Every electrical appliance is rated in watts — for example, a ceiling fan is usually 75 watts, an AC is 1500 watts, and an LED bulb is around 9 watts. To find out how many units (kWh) an appliance consumes in a month, we use this simple formula:

Formula:

Units = (Wattage × Hours per Day × 30 Days) ÷ 1000

Once we know total units from all your appliances, the cost is calculated using your selected state's official tariff slabs — exactly the way your electricity board does it. This means the estimate you get is as close to your actual bill as possible.

Example

Example: A 1500-watt AC running for 8 hours a day for 30 days = (1500 × 8 × 30) ÷ 1000 = 360 units per month. At ₹6 per unit, that's ₹2,160 just for the AC alone.

How to Use This Calculator – Step by Step

  1. Select Your State: Choose your state from the dropdown. This loads the correct electricity tariff slabs for accurate bill estimation.
  2. Choose Connection Type: Select Domestic or Commercial depending on your electricity connection type.
  3. Add Your Appliances: Click on "Add Appliances" to open the appliance selection panel. Check the boxes next to the appliances you use. You can edit wattage, daily hours, and quantity for each device.
  4. View Units & Cost Per Appliance: As soon as you apply your selection, the table shows each appliance's monthly units and estimated cost separately.
  5. See Total Bill Breakdown: Scroll down to see the complete bill breakdown — energy charges, fixed charges, meter rent, electricity duty, fuel charges, and the total estimated bill.
  6. Customize Tariff Slabs: Click "Edit Slabs & Charges" to manually adjust rates if your actual tariff differs. All changes are saved in your browser automatically.

Who Can Use This Calculator?

Home Owners & Families: Get a clear breakdown of which appliance is adding the most to your monthly electricity bill and where you can cut down.
Tenants & PG Residents: Estimate your share of the electricity bill before moving into a shared accommodation. Know exactly what your AC or TV will cost per month.
Shop & Office Owners: Switch to Commercial connection type and calculate electricity costs for computers, lights, and ACs used in your workspace.
Students & Young Adults: Planning your first independent stay? This calculator helps you budget for electricity before you even move in.
Solar Panel Users: Compare your current electricity consumption with what your solar panels generate to understand how much you actually save.
Anyone Who Wants to Save Electricity: Whether you want to switch to more efficient appliances or simply track usage, this tool gives you the data you need.

Example Calculation – Real-Life Scenario

Let's say your home in Jharkhand has the following appliances running during summer months. Here is how the monthly electricity usage and cost would look:

ApplianceWattHours/DayMonthly UnitsApprox. Cost
AC (1.5 Ton)1500W8 hrs360 kWh~₹2,160
Ceiling Fan × 375W12 hrs81 kWh~₹486
Refrigerator200W24 hrs144 kWh~₹864
LED TV100W6 hrs18 kWh~₹108
Geyser2000W0.5 hrs30 kWh~₹180
Total633 kWh~₹3,798+
Note

Note: This is an approximate estimate. Actual bill may vary based on official tariff, meter readings, and additional surcharges from your electricity board.

Common Home Appliances – Power Consumption Chart

Not sure what wattage to enter? Here's a quick reference for typical home appliances used across India. These are standard values — your actual appliance may vary slightly. Always check the rating label on your device for accuracy.

ApplianceTypical WattageAvg. Monthly Units (8h/day)
Ceiling Fan60–75 W14–18 kWh
Air Conditioner (1.5 ton)1200–1800 W288–432 kWh
Refrigerator (200L)150–250 W30–50 kWh (runs 24h)
LED TV (40")60–120 W14–29 kWh
Geyser / Water Heater1500–3000 W22–45 kWh
Washing Machine400–600 W6–9 kWh
Induction Cooktop1000–2000 W15–30 kWh
LED Bulb (9W)9 W02.2 kWh
Laptop45–90 W10–22 kWh
Wi-Fi Router10–20 W07–14 kWh (runs 24h)
Microwave800–1500 W04–7.5 kWh
Air Cooler150–250 W36–60 kWh

Difference Between Estimated Cost and Your Actual Bill

This calculator gives you a very close estimate of your electricity bill, but the actual figure on your bill might differ slightly. Here's why:

Slab-Based Billing: Indian electricity boards use a slab system — the more units you use, the higher the rate per unit. This calculator applies the same telescopic slab logic your utility company uses.
Fixed & Additional Charges: Your actual bill includes fixed charges, meter rent, electricity duty, and fuel adjustment charges (FAC) — all of which are included in this calculator's breakdown.
Subsidies & Exemptions: Some states offer free or subsidised units to low-income households. These are not reflected in the estimate.
Meter Reading Accuracy: Small variations in meter readings and billing cycles also affect the final amount.

For detailed bill estimation using your total units consumed, you can also try our Electricity Bill Calculator which follows the same slab-based approach. Electricity Bill Calculator

Tips to Reduce Your Electricity Bill

Switch to LED Bulbs and BLDC Fans

A regular ceiling fan uses 75 watts. A BLDC fan (like Atomberg) uses only 28-35 watts — that's almost 60% savings. Similarly, replacing incandescent bulbs with 9W LEDs reduces lighting costs drastically.

Set AC Temperature to 24°C or Higher

Every degree below 24°C increases AC power consumption by about 6%. Setting your AC to 24-26°C instead of 18°C can save you 20-30% on cooling costs every month.

Unplug Devices on Standby

TVs, phone chargers, and set-top boxes on standby still consume power — known as "phantom load." Unplugging or using smart plugs can eliminate this invisible usage.

Use Your Geyser Wisely

A 2000-watt geyser running for just 30 minutes a day adds about 30 units a month. Use solar water heaters or insulated geysers to cut this cost significantly.

Choose Star-Rated Appliances

BEE 5-star rated refrigerators, ACs, and washing machines consume significantly less power compared to 1 or 2-star models. The extra upfront cost pays off within 1-2 years in electricity savings.

Start Tracking Your Appliance Usage Today

You don't need to wait for your electricity bill to arrive to know what's happening. With this appliance electricity cost calculator, you can track usage in real time, see which devices cost more, and take action before the bill arrives. Whether you're a homeowner trying to save money, a tenant estimating shared expenses, or just someone curious about where their electricity goes — this tool was built for you. Add your appliances, choose your state, and see your estimated monthly bill instantly. It's free, fast, and requires no sign-up. And if you want to calculate your bill the traditional way using total units consumed, don't forget to check our Electricity Bill Calculator as well.

Frequently Asked Questions

Which appliance consumes the most electricity in a home?
In most Indian households, Air Conditioners (ACs), Water Heaters (Geysers), and Refrigerators are the top consumers of electricity. A 1.5-ton AC can consume 1.5 units per hour, while a ceiling fan consumes only about 0.075 units per hour.
How can I reduce my home electricity bill?
You can reduce your bill by switching to energy-efficient appliances (like 5-star ACs or BLDC fans), ensuring proper insulation in cooled rooms, and turning off devices when not in use. Using this calculator helps you identify which appliances to optimize.
How is the appliance cost calculated?
We calculate the total units consumed by all selected appliances using the formula: (Watt × Hours × Qty × 30) / 1000. These total units are then put through your state's official slab-based tariff rates, just like your utility company does.
Are the rates updated?
Yes, we use a central tariffs database that is regularly updated with the latest rates for all Indian states including Jharkhand, Bihar, Uttar Pradesh, etc.
Can I use this for commercial purposes?
Yes, you can switch the connection type from Domestic to Commercial to see the estimated bill for offices or shops.
What is 1 unit of electricity?
1 unit of electricity is equal to 1 kilowatt-hour (kWh). This means if a 1000-watt appliance runs for 1 hour, it consumes 1 unit. Your electricity bill is calculated based on the total number of units you consume in a month.
How many units does an AC consume per hour?
A 1.5-ton standard AC consumes approximately 1.5 units per hour. An inverter AC of the same capacity uses around 0.8 to 1.2 units per hour depending on the temperature setting and room insulation. If you run it for 8 hours a day, a standard AC can add around 360 units per month to your bill.
How much electricity does a ceiling fan use per day?
A regular ceiling fan with 75 watts running for 12 hours a day uses 0.9 units per day, which is about 27 units per month. A BLDC fan (energy-efficient model) uses only around 28-35 watts, bringing consumption down to about 10-12 units a month — saving you significantly.

Why Use This Electricity Usage Calculator?

Identify Energy Hogs: Instantly spot which appliance is costing you the most and take action to reduce its usage or replace it with a more efficient model.
Plan Before You Buy: Before purchasing a new AC or refrigerator, use this tool to estimate how much it will add to your monthly bill.
No More Bill Shock: By monitoring usage monthly, you can anticipate your electricity bill and budget accordingly — no surprises at the end of the month.
State-Specific Rates: Unlike generic calculators, this tool uses your state's actual tariff structure — Domestic or Commercial — for a realistic estimate.
Completely Free: No registration, no subscription. Just open the page and start calculating instantly.
Important Note
Note: This calculator provides estimates only. We try our best to keep all electricity tariff slabs updated for every state. If you find any incorrect or outdated information, please contact us. Actual bills may vary based on official tariff orders, meter readings, subsidies, and additional charges set by your state's electricity board.