The stitch count for this cute pattern is 231 x 236 stitches. Hope this helps.

This pattern size is 231 W X 236 H with linen fabric of 36 count

How to figure the finished size of various cloth counts: Divide the number of stitches by the the thread count of the fabrics you're using to get the size of the finished project.
Incidentally, don't forget to add extra material for margin around the edges.