AC Bill Calculator
Estimate your air conditioner electricity consumption and costs with precision
Calculate Your AC Electricity Costs
Your AC Electricity Costs
How to Use the AC Bill Calculator
Our AC Bill Calculator helps you estimate the electricity consumption and cost of running your air conditioner. Follow these simple steps to get accurate results:
Select AC Tonnage
Choose your AC’s capacity from the dropdown. Tonnage indicates cooling capacity – higher tonnage ACs consume more power. If unsure, check your AC’s specifications.
Enter Daily Usage
Input how many hours per day you use your AC. Be realistic – consider seasonal variations. Most households use ACs 4-8 hours daily during summer.
Specify Number of ACs
Enter how many AC units you’re calculating for. This multiplies the consumption accordingly. For multiple ACs with different usage patterns, calculate separately.
Input Electricity Cost
Enter your electricity cost per unit (kWh). Check your latest bill for accurate rates. In India, costs range from ₹3-₹10 per unit based on location and consumption slabs.
Frequently Asked Questions
The calculator provides a reliable estimate based on standard power consumption values for different AC tonnages. Actual consumption may vary by ±15% due to factors like:
- AC energy efficiency (star rating)
- Room size and insulation quality
- Outdoor temperature and humidity
- Thermostat settings (each degree lower increases consumption by 6%)
- AC maintenance and age
For precise measurements, consider using an energy monitoring device.
You can significantly reduce AC power consumption by:
- Setting temperature to 24-26°C (optimal comfort and efficiency)
- Using ceiling fans to complement AC cooling
- Sealing windows and doors to prevent cool air escape
- Cleaning AC filters monthly during peak season
- Using curtains or blinds during peak sunlight hours
- Considering inverter ACs (up to 40% more efficient)
- Servicing your AC annually for optimal performance
Several factors can cause discrepancies:
- AC doesn’t run continuously – cycles on/off to maintain temperature
- Variable speed compressors in inverter ACs use less power
- Different electricity tariffs during day/night
- Slab-based pricing where per-unit cost increases with consumption
- Other appliances contributing to your total electricity bill
- Actual power consumption may differ from rated capacity
For better accuracy, check your AC’s technical specifications for exact power consumption.