This calculator is for educational use only and the site operator makes no guarantees concerning the adequacy, acceptability, or accuracy of any results. Consult your local Building Official or Fire Marshal to determine your official occupant load. This page is in the public domain. Feel free to share, copy, and modify the code.
Function of Space
Area of Space
The area below should be the total area inside the exterior walls of your building or demising walls of your space.
The area below should exclude areas not actually occupied. For example, you should exclude the area used for permanent building components, such as shafts, fixed equipment, corridors, stairways, toilet rooms, mechanical rooms, and closets.
25% Occupant Load
50% Occupant Load
75% Occupant Load
100% Occupant Load
The occupant load values comply with the following codes: