This air changes per hour reference table shows the air changes per hour for a range of airflow values, assuming a room volume of 60 m³. Every figure is computed with the same engine that powers our Air Changes Per Hour Calculator, so the numbers are exact.
| Airflow | Air changes per hour |
|---|---|
| 50 m³/h | 0.83 |
| 100 m³/h | 1.67 |
| 150 m³/h | 2.50 |
| 200 m³/h | 3.33 |
| 300 m³/h | 5.00 |
| 400 m³/h | 6.67 |
| 600 m³/h | 10.00 |
| 1,000 m³/h | 16.67 |
| 1,400 m³/h | 23.33 |
| 2,000 m³/h | 33.33 |
How to use this table
Find the row closest to your airflow and read across to the air changes per hour. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Air Changes Per Hour Calculator for a precise answer.
Need a value that is not in the table? — the Air Changes Per Hour Calculator does it instantly, for free, with the formula and a worked example built in.
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