Extra fabric on each side for finishing?. Cross Stitch Calculator: Stitched Size:wide, by: high in:Stitchesinchescm Fabric Count:threads per inch Each stitch covers:1 Thread (for aida)2 Threads (for linen)34 Extra fabric on each side:2" (5cm)3" (8cm)4" (10cm)5" (13cm)6" (15cm)allowance for finishing/framing. Calculate SizeReset.