Ventilation Air Per Person
Calculate ventilation air per person with clear inputs, formula guidance, and practical result checks.
Ventilation Air Per Person measurements
Enter your values, then calculate.
Result
How to calculate ventilation air per person
This calculator finds ventilation air per person by dividing total outdoor airflow by the number of occupants.
How the calculation works
Air per person = Outdoor airflow ÷ Number of occupants.
Example
400 CFM outdoor air for 20 occupants: 400÷20 = 20 CFM/person.
Frequently asked questions
How is Result calculated?
Result = [Outdoor airflow] ÷ [Number of occupants].
Is the Ventilation Air Per Person free to use?
Yes — every calculator on Simple Calculator Tools is free, runs in your browser, and does not require an account.
Ventilation Air Per Person
Air per person = Outdoor airflow ÷ Number of occupants.
Let's understand your ventilation air per person result.
Calculate a result above and this guide will help you interpret it using this calculator's own formula and explanation.
Pro Tips for Ventilation Air Per Person
- Building codes and ventilation standards typically specify minimum CFM-per-person requirements based on space type and occupancy density — confirm your specific applicable standard.
- Higher-occupancy spaces (like conference rooms or classrooms) generally need more total outdoor air, though the per-person requirement may be similar to lower-occupancy spaces of the same type.
Common Ventilation Air Per Person Mistakes to Avoid
- Assuming a single per-person ventilation target applies to all space types, when actual code requirements vary by occupancy classification and space use.
When to Use This Calculator
This calculator finds ventilation air per person by dividing total outdoor airflow by the number of occupants.