design
Occupancy Load Calculator
Estimate planning occupancy from usable floor area and an area-per-person factor.
Planning occupancy
15 people
Area per person
10 m²
How this works
Occupant load = usable area ÷ area-per-person factor, rounded up.
Worked example
A 150 m² space at 10 m² per person has a planning load of 15 people.
FAQ
What is the Occupancy Load Calculator used for?
Estimate planning occupancy from usable floor area and an area-per-person factor. It is intended for quick planning, checking, and everyday decisions.
Can I use the result for a final contract or design?
Use it as a planning estimate. Use the occupancy classification and factors mandated by the governing fire and building code.
How can I improve the accuracy?
Use measured quantities, current supplier or lender rates, the correct units, and compare the result with drawings, invoices, or professional advice where the decision is safety-critical.