688 cfm to m³/h

688 cfm = 1,168.918 m³/h

cfmm³/h
673 cfm1,143.433
678 cfm1,151.928
683 cfm1,160.423
6881,168.918
693 cfm1,177.413
698 cfm1,185.908
703 cfm1,194.404

688 cfm = 1,168.918 m³/h

Formula

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