Summary

Jack Black's chin to philtrum ratio is 2.21x, scoring 10.0, which places it inside its ideal range of 2.15 to 2.45x. This measurement describes chin height relative to philtrum length, which determines chin harmony. The celebrities who measure closest are Alton Mason, Joseph Zada and Mathematically Perfect Male Face, each at 2.21x. Among the men on the wiki, 35% measure inside this ideal range, and Jack's value is higher than 40% of them. At the ends of the scale, Casey Neistat records the highest value at 3.73x and Lee Jung-jae the lowest at 1.50x. For more context, see his Cupid's Bow Depth and his full Harmony breakdown.