💡 Whole-Home Estimate
Home Appliance Electricity Load Calculator
Add your appliances with quantity and daily hours to estimate your home's monthly units and electricity bill.
💡 See where your bill goes. Edit the wattage and hours to match your home. The biggest contributors are almost always the AC, geyser and fridge.
| Appliance | Qty | Watts | Hrs/day |
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📊 Your Home Estimate
Units per Day
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Units per Month
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🧾 Estimated Monthly Bill
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Biggest Consumer
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⚠️ Estimate of energy charge only. Your actual bill adds fixed charge, duty and slab rates — see the Electricity Bill Calculator for a state-wise total.
How This Calculator Works
For each appliance it computes watts × quantity × hours ÷ 1000 = units per day, adds them all up, then multiplies by 30 days and your tariff.
For always-on appliances like the fridge, enter the effective daily run hours (a fridge ≈ 8 effective hours at 150 W).
🔍 Per-appliance calculators
How to Estimate a Home Electricity Bill Appliance-wise
Your monthly bill is the sum of what each appliance consumes. Big, high-wattage or long-running appliances dominate. Working it out appliance by appliance shows exactly where to cut.
Appliance Units/Day = Watts × Quantity × Hours ÷ 1000
Home Units/Day = sum of all appliances
Units/Month = Home Units/Day × 30
Estimated Bill (₹) = Units/Month × Tariff (₹/unit)
Which appliances cost the most?
- Air conditioner — by far the biggest in summer (1–1.5 kW, many hours)
- Geyser / water heater — high wattage, big winter spike
- Refrigerator — modest power but runs 24×7
- Electric iron, washing machine, microwave — high wattage, short use
- Fans, LED lights, TV, chargers — small, even if always on
Frequently Asked Questions
For each appliance, watts × hours/day × quantity ÷ 1000 = units/day. Add all appliances, multiply by 30 and by your tariff. This calculator does it automatically as you enter appliances.
Air conditioners, geysers and refrigerators are usually the biggest, followed by the electric iron and washing machine. Fans, LED lights, TVs and chargers use comparatively little.
A small home (fans, lights, fridge, TV) uses ~100–200 units/month. With one or two ACs and a geyser, 300–600 units/month. Heavy summer AC use can exceed 800 units/month.
Target big loads first: AC at 24–26°C, 5-star inverter AC and fridge, BLDC fans, LED lights, geyser only before use, cold-water washing. For a large permanent cut, rooftop solar with net metering.
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