Summary

Caitriona Balfe's Interpupillary-Mouth Width Ratio measures 0.83x, scoring 9.3, which places her above its ideal range of 0.75 to 0.79x. The measurement evaluates whether mouth width aligns with the spacing between the eyes, and the ideal sits slightly narrower than eye spacing for facial harmony. Among the women on the wiki, her value is higher than 70% of them, and 35% measure inside the ideal range. Her closest matches are Alessandra Ambrosio, Anne Hathaway and Avril Lavigne, all at 0.83x, while Naya Rivera sits highest at 0.99x and Lily Cole lowest at 0.64x. See also her Mouth Corner Position, scoring 10.0, and the full Harmony breakdown.