Thirds and shape · Front photo

Lower third

Shown so you can see which band drives the thirds balance; it counts only through the balance.

How it's measured

Height from the base of the nose (subnasale) to the bottom of the chin (menton), measured straight down from the eye line, as a share of hairline-to-chin height.

Reference range

Male reference

30–36%

Female reference

30–36%

Source: Community facial analysis formula (public spreadsheet), top range: each third within 1-3 points of 33%.

In the score

Shown for information. It isn't part of the score.

What changes it

• Head turn or tilt changes it. Keep the head level and face the camera.

One number, one feature

One measurement describes one detail in one photo. Pose, lens and expression move it, and every reference range is an average from limited samples.

More background: Facial thirds.