Like any other garment, the size of a scarf or shawl depends on personal preference plus the yarn and stitch pattern used.
Following are suggestions for an (adult adjust for children)
        
            
                
Scarf
                Length:
                Fingertip to Fingertip
                60" - 80" (152 - 203cm)
                Width:
                8" - 12" (20 - 30 cm)
            
            
                
Shawl
                Length:
                Fingertip to Fingertip
                60" - 80" (152-203cm)
                Width:
                30" - 45" (86-114cm)
            
         
        
        
            
            Shawls can be knit in a wide variety of shapes, rectangle, triangle and everything in-between!
         
        
      