Meet the TikToker who claims he can 'calculate' anyone's height

Could you guess someone’s height just from a photo of them drinking Starbucks?. As ridiculous as all that might sound, it’s exactly how TikTok user @kentai.haven has amassed more than 1.2 million followers. Typically, other TikTok users create a clip challenging him to guess their height. Often, @kentai.haven challenges himself by picking something minute or inconsequential — like an apple — as the basis for his formula. All of his calculations, though, seem to come down to determining the size of a person’s hands and, ideally, their wingspan. From there, it’s possible to make an educated guess at someone’s height, thanks to known trends in the proportions of human bodies