User Manual

CFM (ft³/min) = air velocity (ft/min) x area (ft²)
CMM (m³/min) = air velocity (m/s) x area (m²) x 60
CFM: cubic feet per minute
CMM: cubic meters per minute
m/s ft/min km/h mph Knot
1 m/s 1 196.87 3.60 2.24 1.944
1 ft/min 0.00508 1 0.01829 0.01138 0.00987
1 km/h 0.2778 54.69 1 0.6222 0.54
1 mph 0.4464 87.89 1.6071 1 0.8679
1 knot 0.5144 101.27 1.8519 1.1523 1
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