Occupancy Calculator · AlpacaLabsLLC/skills-for-architects
Calculate building occupant loads under IBC rules
Calculates code-required occupant loads for a building or space using IBC Table 1004.5 gross and net area factors, showing the math and flagging common classification mistakes. Useful for architects and code reviewers preparing egress or occupancy-load documentation.
Good for
- Calculate occupant load for a mixed-use building
- Check gross vs net area factor use
- Prepare occupancy-load figures for a code review
- Source repository
- AlpacaLabsLLC/skills-for-architects
- Category
- Property
Open-source skills are maintained by their authors and listed as published, with attribution. Results depend on how well the skill fits your task and material.
A good place to start
Calculate the IBC occupant load for a 50,000 SF office building with ground-floor retail.

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