A 4-inch haircut typically leaves the hair about 4 inches shorter than before the haircut.
A 3 haircut is typically about 3/8 of an inch long.
A number 8 haircut is typically 1 inch long.
A 5 guard haircut is typically about 5/8 of an inch long.
A number 2 haircut is typically about 1/4 inch long.
A number 5 haircut is typically 5/8 of an inch long.
A number 6 haircut is typically 3/4 inch long.
A number 4 haircut is typically about 1/2 inch in length.
A number 2 haircut typically leaves hair about 6 millimeters long.
A number 4 haircut typically leaves the hair 12 millimeters long.
A number 8 haircut typically leaves the hair 25 millimeters long.
A number 9 haircut typically leaves the hair about 1 inch long.
A number 5 haircut typically leaves the hair about 5/8 of an inch long.