Calculate occupant load, required floor area, or square feet per person from any two values, using 2024 IBC space-type factors, custom factors, and metric conversions.
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Occupancy Per Square Foot Formula
The following formula is used to calculate the occupancy per square foot.
Variables:
- O is the occupancy (number of people)
- TA is the total area (square feet)
- APP is the area per person (square feet)
To calculate the occupancy per square foot, divide the total area by the area required per person and round down to the nearest whole number.
What is Occupancy Per Square Foot?
Occupancy per square foot is a measure of how many people can safely and comfortably occupy a space based on the area available. This calculation is often used for event planning, building codes, and fire safety regulations to ensure that a space is not overcrowded. It takes into account the need for personal space and safe egress in case of an emergency.
How to Calculate Occupancy Per Square Foot?
The following steps outline how to calculate the Occupancy Per Square Foot.
- First, determine the total area of the space (TA) in square feet.
- Next, determine the area required per person (APP) in square feet.
- Use the formula from above = O = floor(TA / APP).
- Finally, calculate the Occupancy (O) as the number of people.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Total area of the space (TA) = 1000 square feet
Area required per person (APP) = 50 square feet
