Triangle face shape

Jaw width leads. It runs 10 to 20 percent past the forehead, and that single comparison names the classification.

Cheekbones sit in between and never peak. They measure closer to the middle of the range than to either extreme, which keeps this shape distinct from round and diamond.

The forehead closes the picture. Short, narrow, or both, often under a low rounded hairline, while total face length stays moderate against cheekbone width.

Comparing the top and bottom rows at a mirror takes one ruler.

Comparison beats precise measurement as a first move. Pull the hair fully back, including anything falling forward, and stand square to the mirror at eye level. The forehead figure is diagnostic and cannot be assessed through hair.

Hold a ruler horizontally at the widest part of the forehead and note where the ends land, then move it to the widest part of the jaw. The lower line is visibly longer here, which reverses what most people expect to see.

Check the cheekbones next. They should measure between the other two spans without forming a peak. Cheekbones that are clearly the widest line put you in round or diamond instead.

Then look at the chin base rather than the tip. Triangle chins run wide where they meet the mandible, and a narrow base under a broad jaw indicates square or round.

Square is the first of those alternatives worth ruling out.

Square sits closest, since both carry width and often angle at the jaw. The forehead separates them. A square forehead matches the jaw within a few percent and produces vertical sides, while this shape runs a forehead clearly narrower and sides that splay outward as they descend.

Round overlaps when the jaw corner is soft. Round faces peak at mid-cheek and stay short relative to their width, while a triangle peaks at the jaw and runs moderately longer. A widest point sitting at or below the corner of the mouth means triangle.

Heart is the mirror image, and confusion nearly always comes from photographs. A camera below eye level enlarges the jaw and shrinks the forehead, manufacturing this shape, while a high camera does the reverse. Double-check any classification made from a casual snapshot.

Hair can produce the same illusions with no camera involved.

Hair hides the defining feature at either end. Volume at the temples and above the ears broadens the top enough that a triangle photographs as oval or square. Hair worn long, flat and tucked behind the ears exposes the full jaw width and steepens the taper. Low heavy bangs shorten an already short forehead and strengthen the bottom-weighted read.

Weight change concentrates in the lower face for many people, so gain reinforces the shape and loss softens it. Submental fullness under the chin extends the widest line further and makes the taper look steeper than the bone underneath. The forehead figure stays constant, so the ratio moves entirely from below.

Age strengthens the read. Jowl descent adds width just forward of the jaw corner, temporal hollowing narrows the top of the face, and masseter development from years of clenching broadens the lower half in men.

Photo angle is the decisive variable. Laptop webcams and phones held at chest height both enlarge lower-face width. Add a close wide-angle lens and the jaw is enlarged twice over. Shoot from three feet, camera at eye level, head untilted.

Mass sits low on this outline, so the organizing principle is to build width and height above it while keeping the jaw uncluttered. The aim is to bring the top of the face out to meet the bottom, never to attempt shrinking the mandible itself.

Building above is the primary lever and has two parts. Width comes from volume placed at the temple and over the ear: textured layers starting at the cheekbone, side-swept bangs with lift, curls allowed to expand at the crown and sides. Height comes from root lift, which lengthens a short upper third and rebalances the vertical proportions at once.

Keeping the jaw clear is mostly a list of things to avoid. Blunt lines cut at jaw level, heavy one-length ends resting on the bone, and dense volume below the ear all pile mass onto the widest span. Ends that taper, sit above the jaw, or fall well past it to the collarbone dodge the collision.

Frames and facial hair follow the same reasoning. Weight in the upper half of a frame broadens a narrow forehead, while bottom-heavy or wide low-sitting styles repeat the imbalance.

An outline whose jaw outruns the forehead by a clear margin, tapering upward through intermediate cheekbones, is what the pear classification measures. The comparison table sets it against heart row by row. One ruler held at two heights shows the lower line longer, and the chin base confirms it. Square is separated by forehead width, round by where the widest point sits, heart by direction of taper. Hair, weight, age and camera height each exaggerate a bottom-heavy read, and a low lens does the most damage. Styling then builds width and height above while keeping mass off the jaw, and frames and beards follow the identical rule.

Check the numbers before you change anything. The face shape detector compares jaw and forehead spans across 468 landmark points in your browser, keeps every image on your device, and names the shape it finds.