688 m³/h to cfm

688 m³/h = 404.942 cfm

m³/hcfm
673 m³/h396.113
678 m³/h399.056
683 m³/h401.999
688404.942
693 m³/h407.885
698 m³/h410.828
703 m³/h413.771

688 m³/h = 404.942 cfm

Formula

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