Electrical Load Calculator

Enter the appliances in your home to estimate its connected load and realistic maximum demand — the numbers that decide whether you need a single- or three-phase supply and how big your main switch should be. This is an indicative planning tool; your final load, supply and protection must be confirmed by a licensed electrician and the sanctioned load agreed with your DISCOM.

Your appliances

LED light points~12 W each

Ceiling fans~70 W each

TV / electronics~120 W each

Refrigerator~300 W

Air-conditioners (1.5 T)~1800 W each

Geysers (storage)~2500 W each

Kitchen (microwave / hob / oven)~1800 W each

Washing machine~1000 W

Water pump~750 W

Home EV charger (AC)~7 kW

Other loadstotal watts

Diversity factor0.60

You never run every appliance at once. Diversity scales the connected load down to a realistic maximum demand — a typical Indian home sits around 0.5–0.7.

Maximum demand

0.0 kW

Connected load 11.3 kW, at a diversity of 0.60.

Recommended supply

Three-phase

415 V, 3-phase

Suggested main switch

0 A

≈ 9 A drawn

Sanctioned load to request (guide)

0.0 kW or above

Load breakdown

Air-conditioners (1.5 T)3.60 kW

Geysers (storage)2.50 kW

Kitchen (microwave / hob / oven)1.80 kW

Washing machine1.00 kW

Water pump0.75 kW

Indicative only. This estimate uses typical Indian appliance wattages and a single diversity factor. It is a planning aid, not a design. Your actual load, cable sizes, protection and the single-vs-three-phase decision must be confirmed by a licensed electrician, and the sanctioned load agreed with your DISCOM. Never size wiring or breakers from this tool alone.

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