 upper thigh-length, where the legs meet the buttocks), "thigh-length", "knee-length" and "ankle/floor length" hair.Hair usually takes about two years to reach shoulder length, and about seven years to reach waist-length/hip-length, including occasional trims (approximately 80–90 cm (32–36 inches) from forehead for most people)

The maximum hair length that is possible to reach is about 15 cm (6 in) for infants (below the age of 1), about 60 cm (24 in) for children, and generally 100 cm (40 in) for adults.Documentation for decrease of the maximum length with age cannot be found in the literature.