If you want accurate stitching without counting every stitch you may want to draw gridlines on your cloth. Recently pregrid fabric has become available which is a blessing for the crossstitchers.
Material Type: Aida Generic White
Sewing Count: 14/inch or 55/100mm
Design Size: 217 x 217 stitches
Sewn Design Size: 15.5 x 15.5 inches or 394 x 394 mm
Suggested Material Size: 21.4 x 21.4 inches or 544 x 544 mm
Stitch Style: Cross-stitch Using 2 strands