APW DESIGN

QAV Calculator

Airflow · Area · Velocity

◉

Calculation geometry

Air volume (m³/h)

Air velocity (m/s)

Duct diameter (mm)

Calculated airflow

— m³/h

Quick CFM conversion

CFM

m³/h

Reference velocity (m/s)

Ø mm	Velocity m/s	Airflow m³/h