643.5 m³/h to cfm

643.5 m³/h = 378.75 cfm

m³/hcfm
628.5 m³/h369.921
633.5 m³/h372.864
638.5 m³/h375.807
643.5378.75
648.5 m³/h381.693
653.5 m³/h384.636
658.5 m³/h387.579

643.5 m³/h = 378.75 cfm

Formula

1 L/s = 0.264172 gal/min · 1 m³/h = 0.588578 cfm · 1 cfm = 1.69901 m³/h