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Occupant Load Calculator

Occupant load determination for floor areas and parts of floor areas — Table 3.1.17.1, fixed seats, dwelling units, designed loads and public pools under Subsection 3.1.17.

Print report becomes available once a space has an occupant load.

Choose how you want to calculate

Look up the occupant load of one space, or set up the floors and spaces of a building for a coordinated calculation.

Professional Responsibility & Disclaimer

This tool is a design aid only. It does not certify Ontario Building Code compliance, provide legal advice, or give an official Code interpretation, and it is not affiliated with or endorsed by any government authority. Every result must be independently verified against the current Ontario Building Code (O. Reg. 163/24, as amended) by a qualified design professional. The architect or designer of record remains solely responsible for Code compliance and for all information used in any permit application or construction. Provided "as is," without warranty of any kind, and used entirely at your own risk.