Air-change rate calculator
Calculate the air-change rate n from air flow and room volume.
Air changes (1/h)
3.2
- Room volume (m³)
- 62.5
01
n = V̇ / volume
The air-change rate is the air flow divided by the room volume.
02
What n means
n = 2 means the entire room air is replaced twice per hour.
03
Sanity check
Check whether your system reaches the required air change for the use.
Rough calculation, no warranty; does not replace ventilation design. Reference values depend on use and standard.
From measurement to finished quote
Worked out the quantities? In DasHandwerk.xhub you turn them into a clean quote in minutes — and the invoice in one click.