Haircut for Square Face
The Decision
A square face can take any length, if the landing does not sit at the same height as the jaw line.
The three tiers differ by front landing, from 2 cm (0.8 inches) [faceshapelens.com 2026-11-04] above the jaw to 10 cm (3.9 inches) [faceshapelens.com 2026-11-04] below the jaw, with top lengths from 2 cm (0.8 inches) to 12 cm (4.7 inches) in the table below.
Height Repeat
A cut that ends 1 cm (0.4 inches) above to 1 cm (0.4 inches) below the jaw line [faceshapelens.com 2026-11-04] repeats that line, under this page's criteria.
The hair end and the jaw line then sit on one level, so the lower face reads as one straight bar.
A cut that ends above or below that level breaks the level, because the hair end and the jaw line sit on different levels.
That is the only test in this page: check the landing against the jaw line, not the name of the cut.
Three Length Tiers
All figures in this table are this page's length bands [faceshapelens.com 2026-11-04] and not an industry standard.
| Tier | J/C interval | Front landing | Top length | Side piece width | Who should choose |
|---|---|---|---|---|---|
| Above-jaw short | 0.90 to 0.99 | 2 cm to 4 cm above the jaw line (0.8 inches to 1.6 inches above the jaw line) | 2 cm to 4 cm (0.8 inches to 1.6 inches) | 3 cm (1.2 inches) | A reader who wants a short cut and a landing that stays off the jaw line. |
| Below-jaw short | 1.00 to 1.04 | 2 cm to 5 cm below the jaw line (0.8 inches to 2.0 inches below the jaw line) | 6 cm to 9 cm (2.4 inches to 3.5 inches) | 5 cm (2.0 inches) | A reader who wants length past the jaw and a landing below the jaw line. |
| Neckline short | 1.05 or higher | 6 cm to 10 cm below the jaw line (2.4 inches to 3.9 inches below the jaw line) | 9 cm to 12 cm (3.5 inches to 4.7 inches) | 6 cm (2.4 inches) | A reader who wants the longest length and a landing at the neckline. |
The Shortest Tier
The shortest tier ends 2 cm to 4 cm above the jaw line (0.8 inches to 1.6 inches above the jaw line) [faceshapelens.com 2026-11-04], so its longest front piece sits only 2 cm (0.8 inches) above the jaw line.
Do not choose this tier if you want length past the jaw line, because this tier ends above the jaw line by design.
"Honestly people get surgery to have your bone structure You look amazing But I think if you want to hide it you will need to grow your hair out more"
r/femalehairadvice, 2025-12-23, 327 upvotes
"I HATE my square face can't have short hair so stopped going to the s[alon]"
r/HairStyleAdvice, 2025-11-09
Thirty-Second Self-Test
Hold a ruler straight against the jaw line, without following the face curve.
Measure the front landing twice, from the jaw line to the front piece end.
If the two measures differ by more than 0.5 cm (0.2 inches) [faceshapelens.com 2026-11-04], measure a third time, under this page's criteria, not an industry standard.
Three Failures
A blunt bob that ends 1 cm (0.4 inches) above to 1 cm (0.4 inches) below the jaw line [faceshapelens.com 2026-11-04] sits level with the jaw line.
It repeats the jaw line, because the hair end and the jaw line share one level.
A thick fringe cut above the brows sits level across the forehead.
It repeats the jaw line's straight level, because the fringe forms a second straight level in the same cut.
A very short square cut on top, with a top length of 2 cm (0.8 inches) [faceshapelens.com 2026-11-04], sits flat across the top.
It repeats the jaw line, because the flat top and the jaw line share one flat level in the cut.
Say This to Your Stylist
"Would something like this work and if it would what exactly do I ask my hairdresser for??"
r/finethinhair, 2026-09-27, 9 upvotes
"Please keep my front pieces 4 cm (1.6 inches) below my jaw, not at my jaw."
This line controls the front landing, so the cut does not repeat the jaw line, under this page's criteria [faceshapelens.com 2026-11-04].
"Please keep my fringe soft at the ends, and do not cut it thick above my brows."
This line controls the fringe, so the fringe does not form a second straight level.
"Please add layers that fall past my jaw, and do not stop a layer at my jaw."
This line controls the layers, so no layer stops at the jaw line.
"Please check the front pieces in my natural finish, with a ruler, before you finish."
This line controls the check, so the landing is measured in the natural finish.
"Please tell me the next landing when this grows out, before you cut it short."
This line controls the grow-out plan, so the next landing is named before cutting.
Do This Next
Take the table to your appointment, read the front landing for your tier to your stylist, and check it with a ruler before you leave.
To compare your measurements against the formal ratio criteria for jaw width, see our guide on the square face shape.