This person is thinner. It takes about 360-400 stitches in a circle. (The tightness of each hand is different, and there are differences. )
You can try to start with 50 stitches, and the maximum number of flat stitches is10cm, and then the number of horizontal stitches and vertical stitches is within the range of10cm, and then calculate according to the man's chest circumference, so that the calculated number of stitches is the most accurate.