How to Calculate your Thigh Gap w/ Thigh Gap Formula 1 Comment / fitness articles, how to / By thighgaphack This interesting graph was sent in to me for how to calculate how thin one must be to achieve a thigh gap for their body type. Related posts:What is 'The Bikini Bridge' (the new Thigh Gap) And How to Get itBlessing in Disguise: Will Sugar Alcohols Make you Gain or Lose Weight?Look Sexy in Lululemon With Thigh Gap Hack, CEO Agrees!