Face Form Finder
How to Find Your Face Shape
Four readings, two decisions, and the one thing almost every guide leaves out: what the tape should actually come to. This page gives the range a typical adult reading falls in for each of the four, so a number you take has something to sit against.
The four readings, and what each one should come to
Soft tape or string, hair fully back, one unit for all four. The range is the adult span the tape typically lands in; your own reading can sit near either end and still be normal.
| Reading | Where it is taken | Typical adult range | What it decides |
|---|---|---|---|
| Forehead width | Straight across the widest point of the forehead, about halfway between the hairline and the brows. | 11–15 cm (110–150 mm) |
Whether the top of the face leads. A forehead wider than both cheekbones and jaw points to a heart-shaped reading. |
| Cheekbone width | Straight across the outermost cheekbone points, just below the outer corners of the eyes — not across the lower cheek. | 12–15 cm (120–150 mm) |
Whether the middle leads. Cheekbones widest with both forehead and jaw narrower points to a diamond-shaped reading. |
| Jaw width | Two methods, both valid: corner to corner across the widest part of the jaw, or from the chin centre to one jaw angle and doubled. | 10–14 cm (100–140 mm) |
Whether the bottom leads. A jaw wider than the forehead points to a triangle-shaped reading. |
| Face length | From the centre of the hairline straight down to the tip of the chin. With a widow's peak, start at the peak itself. | 17–23 cm (170–230 mm) |
The long-versus-balanced split: whether length clearly leads the widths or sits close to them. |
These ranges are adult, soft-tissue readings. A reading outside a listed interval does not by itself establish a measurement error or an abnormal face. Check that you used the endpoints in the table before comparing readings. Take each reading twice and average the pair, and keep all four in the same unit — a forehead in centimetres set against a cheekbone in inches is a comparison of nothing.
Step one: which of the three widths is widest
Set the three widths beside each other first, because this decides the family before any ratio is taken. Exactly one of three things happens:
- The forehead leads (forehead wider than cheekbones and jaw) → a heart-shaped reading.
- The cheekbones lead (cheekbones wider than both) → a diamond-shaped reading.
- The jaw leads (jaw wider than the forehead) → a triangle-shaped reading.
If the widths are close, record the readings and retain more than one possible label. This page does not supply a validated millimetre threshold for deciding that two widths are tied.
Step two: length against width
Divide face length by a width and you get a single number. Which width is the divisor matters, and the labels are not drawn on one shared scale:
- Divided by a single width, a balanced face lands near 1, and a long face climbs past 1.5.
- Divided by the average of all three widths, let face length be L, the three-width average A, and cheekbone width C. For positive measurements, L/A is smaller than L/C when A is above C, larger when A is below C, and equal when A equals C.
Keep each classification band with its own formula, measurement endpoints and additional conditions. A threshold from one method cannot automatically be applied to a number taken with another method. Different labels alone do not establish that either method is correct.
For a fixed positive width, a longer length produces a larger length-to-width ratio. Record the length endpoints. This relation does not establish how much two tools differ or where an unspecified photo detector starts measuring.
The jaw reading has two methods, and they do not agree
The single biggest fork in the readings is not a ratio — it is what “jaw width” means. Both methods are in common use:
- Corner to corner. Straight across the widest part of the jaw, from one jaw angle to the other, without following the curve down to the chin.
- Chin to angle, doubled. From the chin centre up to one jaw angle, then multiplied by two.
A straight jaw-angle-to-jaw-angle distance and a path through the chin are different measurements. Neither is automatically the sum of two chin-to-angle paths. If left and right path lengths are a and b, doubling the left gives 2a; compared specifically with the two-path sum a+b, the signed difference is a−b. This equation gives no error relative to the straight angle-to-angle distance. Record the method and keep it for comparisons.
The four readings, where each is taken, the typical adult range in centimetres and millimetres, the two jaw methods, and the reading order, as a CSV. Print it or fill it in a spreadsheet.
Why one head can read two shapes
Two labels for one face is the normal case, not a mistake:
- The bands overlap. A balanced face and a square face are defined over overlapping spans of the same ratio, so a number inside the overlap fits both.
- The divisor is a choice. Cheekbone width and the average of three widths are different math on one head.
- The start is a choice. Different endpoints can change the recorded length. Keep them explicit.
- The jaw number moves. Corner-to-corner and doubled are different readings before any band is applied.
- Six labels or seven. Some systems drop the triangle entirely, so a jaw-led face gets folded into square or round.
- Blends are common. Faces that sit near a boundary are the rule, so keeping both labels is what the numbers themselves support.
Where these numbers come from, and where they stop
The adult ranges on this page are the span a soft tape typically lands in for each reading, taken at the landmarks in the table above; they were recorded on 7 October 2026. They describe where a tape commonly lands, not a standard your face must meet. Nothing here is a cut-off this page invented, and none of it is a medical measurement. If a reading looks unusual, is new, one-sided, or comes with pain or a change in vision, speech or chewing, that is a question for a clinician, not for a tape.
What the numbers cannot do: they cannot turn four readings into one label, because the bands overlap; they cannot see the side contour that separates a gently tapered outline from a straight one; and they cannot fix a start point you did not record. Use them as a way to place your own numbers, then treat the label as a styling reference rather than a category you were assigned.
Questions
What numbers should my face measurements be?
As adult, soft-tissue readings, forehead width typically lands in 11–15 cm, cheekbone width in 12–15 cm, jaw width in 10–14 cm, and face length in 17–23 cm. A reading near either end of a range is still normal; the ranges exist so your own number has something to sit against.
Can I find my face shape with just a tape measure?
You can take all four readings with a tape or a piece of string. What the tape cannot do is turn the four into one label on its own, because the two pairs that are most often confused — balanced versus square, and oval versus oblong — are defined over overlapping bands of the same ratio.
Why do two face shape calculators give me different answers?
Because they do not use the same divisor or the same start point. One divides face length by cheekbone width, another by the average of three widths; one starts the length at the hairline, another lower on the forehead. Run the same head through both and the labels can differ without either being wrong.
Which jaw method should I use?
Either, as long as you name it and keep it. Corner-to-corner measures the jaw angle to jaw angle; the doubled method measures chin centre to one angle and multiplies by two, which assumes both sides match. Because the two return different numbers, mixing them across readings moves every jaw-based threshold.
Related Guides
- Face Shape Detector — the browser tool this method feeds into: one straight-on photo, four displayed measurements, no numeric cut-offs.
- Face Shape Chart — the comparison chart that reads the same four measurements and deliberately carries no numbers of its own.
- Different Face Shapes — all seven shapes in overview.
- Oval vs Oblong Face Shape — why the two ratio rules disagree, and the one measurement that settles it.
- Round Face Shape — the four numbers behind the round label, and where each one stops.
- Square Face Shape — the readings that separate a square face from the rest.
- Triangle Face Shape — the jaw-led reading, in three widths.
- Jawline Shape — the three measurements behind every jaw label.
- Golden Ratio Face — each proportion written as a length, and where the reference face misses it.
- Haircuts for Face Shapes — the haircut hub.