Room-Wise Home Load Sheet Generator

A home electrical load calculation sheet room by room calculator that totals your house load instantly. Use the free Room-Wise Home Load Sheet Generator below — enter your values and get instant results, right in your browser. Per-room standard load = 60W (lights) + 80W (fan) + 150W (sockets) = 290W. House total = 290W × number of rooms. Add heavy appliances separately: AC 1800W, water motor 746W per HP, iron 1000W, geyser 2000W. Apply a 0.7 diversity factor since not everything runs at once.

How to use the Room-Wise Home Load Sheet Generator

Electricians and solar installers both start with the same document: a room-by-room load sheet listing every light, fan, and socket. This home electrical load calculation sheet room by room calculator generates that sheet instantly — each room gets a standard allowance for lights (60W), fans (80W), and sockets (150W), and the table totals the whole house. Hand it to your electrician for wire sizing or to a solar vendor for system sizing, and quotes stop being guesswork.

  1. Enter the number of rooms in your house in the input box (include bedrooms, lounge, kitchen, and store).
  2. Set the rows to match the room count so the table lists one row per room.
  3. Click Generate to build the load sheet with per-room and whole-house totals.
  4. Adjust for reality: add extra rows mentally for heavy rooms (kitchens with ovens, rooms with ACs).
  5. Use the House total (W) figure in the solar system size and inverter size calculators for matched sizing.

Formula

Per-room standard load = 60W (lights) + 80W (fan) + 150W (sockets) = 290W. House total = 290W × number of rooms. Add heavy appliances separately: AC 1800W, water motor 746W per HP, iron 1000W, geyser 2000W. Apply a 0.7 diversity factor since not everything runs at once.

Worked example

A 5-room house generates a sheet showing 290W per room and a house total of 1,450W. Adding one inverter AC (1,800W) and a 1 HP motor (746W) brings the realistic peak to about 4,000W. With the 0.7 diversity factor the design load is ~2,800W — the right basis for inverter and wire sizing.

Frequently asked questions

A room-by-room list of every electrical point — lights, fans, sockets, and fixed appliances — with wattages, totaled per room and for the whole house. Electricians use it for wire and breaker sizing; solar vendors use it for system sizing.

No — the 150W per room socket allowance already assumes diversity (not every socket used at once). Heavy fixed appliances like ACs, motors, and geysers should be listed separately at full rating.

This sheet documents the load room by room, which installers and electricians need on paper. The solar size calculator totals appliance quantities directly. Use both: this sheet for the record, that calculator for the kW figure.

Solar System Size Calculator A how many kW solar system do I need for my home calculator that sizes your system from your appliance list. Solar Panel Count Calculator A how many solar panels do I need for 5kW system in Pakistan calculator with panel count and roof area. Inverter Size Calculator A what size inverter do I need for my home Pakistan calculator that sizes your inverter from your appliance load.