How tall should a 13 year old be in feet?
By Matthew Underwood
The average height for a 13-year-old boy is 1.57 m (5 foot 1 3/4 inches). Boys’ normal height can range from 1.5 m (4 foot 11 inches) at the 10th percentile to 1.67 m (5 foot 5 3/4 inches) at the 90th percentile.