Use the tables of multipliers below to convert between units.

Airflow

CFM

m3/min

m3/hr

1/sec

1 0.0283 1.7 0.472
35.31 1 60 16.7
0.588 0.0167 1 0.278
2.12 0.06 3.6 1

Example: To convert from CFM to m3/hr multiply by 1.7.

Static Pressure

in H2O

mm H2O

Pa

1 25.4 249
0.0394 1 9.81
0.004 0.102 1

Example: To convert from Pa to in.H2O multiply by 0.004.

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