The dimensions and shape of the human vagina are of great importance in medicine and lengths (measured using rods): to 15 cm ( to in);; widths: to cm ( to in);; introital diameters: to cm ( to in).
Mean vaginal length from cervix to introitus was mm. .. The transverse diameter then progressively decreases from the cervical os ( mm) to the pelvic.
Does size matter for women? WebMD discusses whether vagina size might have impact on female sexual pleasure.