⚡ Physics-Accurate

AC Electricity Bill
Calculator for India

Uses BEE ISEER / COP · Cooling capacity · Outdoor temperature derating

AC Specifications

Cooling: 5100 W · ISEER midpoint: 5.2 (ISEER ≥ 5.00)
Usage & Location
1 hrs24 hrs
1 days31 days
Temperature Settings
16°C30°C
25°C50°C
Each °C above 24°C indoor reduces load ~8% (ASHRAE) · Each °C above 35°C outdoor drops COP ~2% (BEE test condition)
Monthly Bill Estimate
Estimated Cost
1765
30 days · 8 hrs/day · ₹7.5/unit
58.85
Daily Cost
235.4
Units/Month
981 W
Power Draw
7.85
Units/Day

BrandDaikin
Capacity1.5 Ton (split)
Rated Cooling5100 W
Star Rating5
Tariff Rate7.5/kWh
StateDelhi
24°C is optimal. You're saving energy!

Why Is This Only an Estimate?

Electricity tariffs in India are usually based on consumption slabs. As your monthly electricity usage increases, the price per unit may also increase. For example, the first 100 units may be billed at a lower rate, while units above that threshold may be charged at a higher rate. In addition, electricity bills often include fixed charges, taxes, fuel adjustment charges, and other state-specific fees. Because of these factors, this AC Bill Calculator provides an estimated cost rather than the exact amount that will appear on your electricity bill.

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⚠️ Avoid These Mistakes

Avoid These 3 Mistakes to Reduce Your AC Electricity Bill

Avoid these common mistakes to reduce your monthly electricity bill and improve cooling efficiency.

Mistake #1

Setting the Temperature Too Low

Many people set their AC to 16°C thinking it will cool the room faster. In reality, it makes the compressor work longer and consume more electricity. For most homes, 24°C provides the best balance between comfort and energy efficiency.

Mistake #2

Leaving Doors and Windows Open

Cool air escapes when doors or windows are left open, forcing the AC to run continuously. Keeping the room sealed and using curtains to block sunlight can significantly reduce electricity consumption.

Mistake #3

Ignoring Filter Cleaning and Maintenance

Dirty air filters restrict airflow and make the AC work harder to maintain the desired temperature. Cleaning filters every few weeks and scheduling regular servicing can improve efficiency and lower electricity bills.

Frequently Asked Questions

Common questions about AC electricity bills, energy savings, tonnage selection, and star ratings.

Your AC electricity bill is calculated using the AC's power consumption (kWh), daily usage hours, number of days, and your electricity tariff rate. The formula is: Units Consumed x Tariff Rate.