Please help me calculate the body fat rate. Male, 24 years old, height 175, weight 58kg, with a little outline of abdominal muscles and unknown waist circumference. .

Striated gluteus maximus (the best competitive state for bodybuilders): 4%~6%.

The dorsal muscles are exposed, and the abdominal muscles and the oblique muscles outside the abdomen are more obvious (the competitive state of bodybuilders): 7%~9%.

Fat in all parts of the body is not slack, and abdominal muscles are obviously divided: 10%~ 12%.

Fat in all parts of the body is basically not slack, abdominal muscles begin to appear, and the segmentation is not obvious: 13%~ 15%.

Fat in all parts of the body is loose in the waist and abdomen, and abdominal muscles are not exposed: 16%~ 18%.

The abdominal muscles are not exposed, and the waist circumference is usually 81~ 85 cm:19% ~ 21%.

The abdominal muscles are not exposed, and the waist circumference is usually 86 ~ 90cm: 22%~24%.

The abdominal muscles are not exposed, and the waist circumference is usually 9 1 ~ 95cm: 25%~27%.

The abdominal muscles are not exposed, and the waist circumference is usually 96~ 100 cm: 28%~30%.