How do I convert CFM to FPM? Calculating CFM CFM = FPM x Duct Cross Sectional Area. FPM = 4005 x √.45. FPM = 2,686. CFM = 2,686 x Duct Cross Sectiona... 続きをみる
How do I convert CFM to FPM? Calculating CFM CFM = FPM x Duct Cross Sectional Area. FPM = 4005 x √.45. FPM = 2,686. CFM = 2,686 x Duct Cross Sectiona... 続きをみる