Build your home, predict your bill
Drag appliances into your home to see connected load (kW) and predicted monthly units (kWh) — with India-specific average usage hours baked in.
Predicted consumption
0 units / month
≈ ₹0.00 at ₹7.5/unit flat · 30 days
Per day
0.0 kWh
Per year
0 kWh
Peak load
0.00 kW
Yearly cost
₹0.00
My Home
0 appliancesDrag an appliance here
On mobile? Just tap any appliance in the palette — or use a Starter pack to fill it in one tap.
Peak load (kW)
Sum of all appliance wattages (× quantity). Use this to size your MCB, inverter, or sanctioned load with your DISCOM.
Predicted units
Monthly energy consumption based on your daily hours of use. Compare to your last bill to spot overuse.
Estimated bill
Rough cost at your DISCOM's effective rate. For bill-exact slabs & FAC, open the main calculator.
How we pick the default hours
- Air Conditioner: 8 h/day (summer average across 6 months).
- Refrigerator: 24 h/day (always on — compressor cycles ~⅓ of the time).
- Ceiling fan: 10 h/day during warm months.
- Geyser: 1 h/day average (winter-weighted).
- Lighting: 5 h/day total household lights.
- Water pump: 1 h/day for ground-level homes.
- Washing machine: 1 cycle/day (~1 h equivalent).
- Microwave: 20 min/day (0.3 h) for reheating.
Every field is editable — drag the slider to match your household.
Frequently Asked Questions
Answers to the most common electricity bill questions in India.
What is an electrical load calculation?
How does this tool predict monthly units?
What sanctioned load do I need?
Why are average hours pre-filled?
How accurate is the predicted bill?
Want bill-level accuracy?
This planner uses a flat ₹/unit rate. For an exact bill matching your DISCOM's slab, FAC and duty, use the main calculator.
Open Bill Calculator