Summary

Tom Felton's Mouth Width to Nose Width Ratio is 1.29x, scoring 3.4, which sits below its ideal range of 1.42 to 1.50x. Andre Ziehe, Chico Lachowski (teen) and Chris Henry measure closest, each also at 1.29x. At the extremes, Isaac Moreno records the highest value at 1.72x, while Jay-Z has the lowest at 1.06x. The ratio measures mouth width relative to inter-alar (nose) width, assessing oral-nasal harmony, and Tom's figure is higher than 20% of the men on the wiki. You can compare it with his Chin to philtrum ratio or see his Interpupillary-Mouth Width Ratio in his full Harmony breakdown.