Look Checker guide
Facial ratios explained: face measurement guide
Understand face length, eye spacing, facial thirds, and jaw proportions, how ratios are normalized, and what a selfie cannot measure.
Which facial ratios appear in a face measurement tool
A facial ratios tool compares relative distances between detected landmarks. Depending on the feature, distances are expressed in relation to face width or height, so they describe proportions within the photo rather than real-world millimetres.
This report may include face length-to-width, pupil spacing, jaw-to-cheekbone width, midface length, and eye-corner angle. Facial thirds are estimated from visible forehead, brow, nose-base, and chin points when available.
What changes the facial proportion reading
Camera perspective, head rotation, expression, shadows, hair, and landmark detection all influence the measured points. A front-facing selfie also cannot provide a complete five-part face measurement or side-profile depth.
How to compare face measurements fairly
For a more consistent face measurement, use an eye-level camera, a straight-on pose, soft even light, and a clear view of the face. Compare like with like rather than treating a number from one image as a fixed biological measurement.
Facial ratios can help describe an image, but they are not standards of beauty and do not indicate health. Use them as optional reference points, not targets.
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