Airflow per person calculator

Divides the zone airflow by actual occupants for a per-person comparison.

Units

\text{Airflow per person} = \frac{V_{\text{bz}}}{P_{z}}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

Given

\text{Airflow per person} = \frac{400}{25} = 16

Symbol	Meaning	Unit
$\text{Airflow per person}$	air supplied per occupant	cfm/person
$V_{\text{bz}}$	breathing-zone outdoor airflow	cfm
$P_{z}$	occupants	person

Symbol	Meaning	Unit
$\text{Airflow per person}$	air supplied per occupant	L/(s·person)
$V_{\text{bz}}$	breathing-zone outdoor airflow	L/s
$P_{z}$	occupants	person

Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.