To calculate power consumption for a Ceiling Fan: Monthly Units (kWh) = (Wattage × Hours Used Per Day × 30 Days) ÷ 1,000. At an average Indian domestic rate of ₹7.00/unit, a standard 75W Ceiling Fan running 12 hours/day uses approximately 27.0 units/month costing ~₹189/month.
Calculate ceiling fan & BLDC fan electricity consumption and monthly bill in India. Compare 28W BLDC vs 75W normal fan power cost per hour.
| Usage Duration | Units Consumed (kWh) | Daily Cost (₹) | Est. Monthly Bill (₹) |
|---|---|---|---|
| 1 Hour (3 Fans) | 0.22 kWh | ₹1.57 | ₹47 |
| 8 Hours | 1.80 kWh | ₹12.60 | ₹378 |
| 12 Hours | 2.70 kWh | ₹18.90 | ₹567 |
| 24 Hours (All Day) | 5.40 kWh | ₹37.80 | ₹1,134 |
Understanding how much power your ceiling fan consumes is essential for controlling monthly household utility bills. In India, power rates vary between ₹3.00 and ₹11.00 per kWh unit depending on your state tariff slab tier.
Operating a ceiling fan with high energy efficiency ratings (5-Star or Inverter technology) significantly lowers your overall unit consumption, keeping your meter within lower pricing slabs.
Example: 75 Watts × 12 Hours × 30 Days ÷ 1000 = 27 kWh units per month.
Check the specification sticker on your ceiling fan for rated wattage (e.g. 75W).
Multiply wattage by operating hours per day and 30 days to get monthly Watt-hours, then divide by 1,000 for kWh units.
Multiply net monthly kWh units by your state electricity tariff slab rate (e.g. ₹7.00/unit) to find total monthly cost.
| Ceiling Fan Specification / Variant | Wattage (W) | Daily Usage (Hrs) | Monthly Units (kWh) | Est. Monthly Bill (₹) |
|---|---|---|---|---|
| Standard Ceiling Fan (75W) | 75 W | 12 hrs/day | 27 kWh | ₹189 |
| BLDC 5-Star Energy Saver Fan (28W) | 28 W | 12 hrs/day | 10 kWh | ₹70 |
| Appliance Energy Technology | Annual Units (kWh) | Est. Annual Electricity Bill (₹) | Energy Rating |
|---|---|---|---|
| Standard 75W Induction Fan | 328 kWh/yr | ₹2,296 | High Power |
| BLDC 28W 5-Star Smart Fan | 122 kWh/yr | ₹854 | Best (Saves ₹1,442/yr/fan) |
A 28W BLDC fan consumes ~0.33 units per 12 hours (10 units/month), whereas a normal 75W fan consumes ~0.9 units per 12 hours (27 units/month). BLDC saves 60% electricity, saving approx. ₹1,400 per fan annually.
A standard 75W ceiling fan consumes 1.8 units (kWh) per 24 hours (~54 units/month). A 28W BLDC fan consumes only 0.67 units per 24 hours (~20 units/month).
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All calculations and reports on ElectricityBillcalc.com are estimated models computed according to published State Electricity Regulatory Commission (SERC) tariff schedules for FY 2026-27. Actual utility bills may include municipal taxes, meter rent, arrears, or power factor adjustments. Please verify against your official electricity board invoice.