Why Barbers Will Never Be Out of Business If you are average you will grow 590 miles of hair in your lifetime. Source Advertisements Share this:GoogleLinkedInEmailFacebookRedditTwitterPrintTumblrPocketPinterestLike this:Like Loading... Related One thought on “Why Barbers Will Never Be Out of Business” Add yours This is true only if you total the growth of each individual hair. Human hair grows, on average, 6 inches per year. You would have to be quite old just to hit Rapunzel length. (She would have to be well over 60 years old. Would the prince have been interested?). LikeLike Reply Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) You are commenting using your Google+ account. ( Log Out / Change ) Cancel Connecting to %s Notify me of new comments via email. Notify me of new posts via email.