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Reviewed July 13, 2026
What is chin height?
Chin height is the vertical length of the chin, measured from the crease under the lower lip down to the base of the chin. It is the bottom block of the lower third of the face, and too much of it is what makes a chin read as long, while too little leaves the lower face looking short and compressed.
How It's Measured
How is chin height measured?
Chin height is the vertical distance from the labiomental sulcus (Sm), the crease between the lower lip and the chin, down to the menton (Me), the lowest point of the chin in the midline (Meneghini, 2005). QOVES marks both points on a front-on photo and reads the straight height between them.
- Labiomental sulcus (Sm): the horizontal crease where the lower lip ends and the chin begins.
- Menton (Me): the lowest point of the chin in the midline, the bottom edge of the face.
- Chin height: the vertical span between them, the bottom segment of the lower third of the face.
Height is separate from chin projection, which is how far the chin juts forward in profile. A chin can be tall but set back, or short but well projected, and the two are corrected in different ways (Naini, 2011).
The same face with a taller chin on the right. The chin height reads 22.4 mm on the left and 24.8 mm on the right. Same identity, same lighting, same framing.
Why It Matters
Why does chin height matter?
Chin height sets the balance of the lower third of the face. That third splits into an upper lip of about one part and a lower lip plus chin of about two parts, so when the chin runs tall or short the whole lower face tips out of proportion (Milutinovic et al., 2014). This is why a long chin can unbalance an otherwise harmonious face even when every other feature is fine.
Chin height is also sexually dimorphic. Men carry taller, stronger chins, and a longer chin reads as dominant and masculine (Kempa et al., 2023). The same length is not a feminine hallmark, so a tall chin flatters a male face and can masculinize a female one (Cunningham, 1990).
Clinically, a vertically long chin is called macrogenia and a short one microgenia. Both are corrected with genioplasty, a bony cut that can shorten or lengthen the chin vertically, whereas implants mostly add forward projection rather than change height (Chin and jawline review, 2019). The cards and table below give working ranges, but read chin height as a proportion of the lower face rather than a fixed number.
26–34 mm
Men
22–30 mm
Women
22–34 mm
Typical Range
Approximate chin height from the lip crease to the base of the chin. Chin height is judged proportionally within the lower third of the face and varies with sex and background.
Demographic Variants
Ideal Chin Height by Demographic
Chin height varies most by sex, and what really matters is its proportion within the lower third of the face. Each row links to the study that measured it.
Group | Chin height tendency | Source |
|---|---|---|
Men | Taller, stronger chin; a longer lower-third segment reads dominant | |
Women | Shorter, softer chin; a very tall chin reads less feminine | |
Balanced proportion | Lower third splits about one part upper lip to two parts lower lip and chin |
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Your Questions
Frequently Asked Questions
A long-looking chin comes from excess vertical chin height, the distance from the lip crease to the base of the chin, rather than from how far the chin projects forward. When that segment is tall it stretches the lower third of the face; the bony version is called macrogenia (Naini, 2011).
A short chin has reduced vertical height, so the gap from the lower lip to the base of the chin is small and the lower face looks compressed. The bony form is called microgenia and is often corrected with a vertical-lengthening genioplasty (Chin and jawline review, 2019).
It depends on sex. A longer, stronger chin reads as dominant and masculine and tends to lift male attractiveness ratings, but it is not a feminine hallmark, so the same height flatters a man and can masculinize a woman (Cunningham, 1990).
Chin height is vertical, how tall the chin is from lip crease to base. A weak chin is horizontal, a chin that sits too far back and does not project forward. A chin can be tall yet weak, or short yet well projected, so the two are measured and corrected separately (Naini, 2011).
Yes. A vertically tall chin can be shortened with a reduction genioplasty, which removes a wedge of bone to lower the height, and a short chin can be lengthened the same way in reverse. Chin implants mostly add forward projection rather than change vertical height (Chin and jawline review, 2019).