Air (Circlular):
Volumetric flow rate calculator.

Enter diameter (mm):
  Square/Rectangular?
Enter the average of anemometer scan or traverse readings: m/s  
(OPTIONAL)
Enter design volume: m³/s
Results..
Cross sectional area = ㎡

Volumetric Flow Rate.. VOLUME	If design volume is entered above.. % OF DESIGN
m³/s Convert?	%% REQ m/s?

If design volume is entered above shows required average of anemometer scan or traverse readings to achieve 100% of design.
LOOKING FOR = m/s

Converted...
m³/s	m³/m	m³/h
ft³/s	ft³/m	ft³/h
l/s	l/m	l/h

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Tip: Need to save the data? Simply screenshot your results!