Classic adult front view
The textbook case: thirds land cleanly on hairline, brow, nose, and chin; eyes straddle the brow line in the inner eye-widths.
Artist Guides · face canon · front view
Portrait face guide overlay
The face guide marks the academic proportion canon — the three equal thirds from hairline to brow to nose-base to chin, the five-eye-widths across, and the centreline. It is a measuring scaffold for getting a portrait into proportion and for spotting where your subject departs from the average. Those departures are the likeness, so the guide is there to be checked against, not copied. Here is the canon, where it comes from, and where real faces leave it behind.
- Vertical canon
- 3 equal thirds
- Horizontal canon
- 5 eye-widths
- Eyes sit at
- Head's midpoint
- Lineage
- Vitruvius → Loomis
- Difficulty
- Beginner-friendly
- Best for
- Front-view portraits
See the face canon on five subject categories
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On a front-view portrait, the brow line sits at the first third and the eyes straddle it; the five vertical divisions show the eyes occupying the second and fourth eye-widths.
What the overlay shows
The face guide draws a vertical centreline, three horizontal lines that divide the face into equal thirds, and vertical divisions that split the face into five eye-widths. The three thirds land on the canonical feature heights: the top line at the hairline, the next at the brow, the next at the base of the nose, and the bottom edge at the chin. The five vertical bands place the eyes in the second and fourth slots, with a clear eye-width of gap between them.
Together these are the two halves of the academic canon — vertical proportion (the thirds, which set the eye line and the nose base) and horizontal proportion (the five eyes, which fix the pupil spacing at one eye apart). The overlay is deliberately a scaffold rather than a stencil: you align it to a real face and read off where the brow, eyes, nose, and mouth actually fall relative to the canon. A subject with a high forehead, deep-set eyes, or a long jaw will not match every line, and that mismatch is the information you are after.
How to draw face proportions: the canon, briefly
The academic canon is simple arithmetic on the front-view face, measured from hairline to chin. Asked how many eyes wide a face is, the answer is about five, and that pupil spacing of one eye apart is the quickest sanity check you can run:
height = hairline→brow = brow→nose = nose→chin | width ≈ 5 × eye
Three working consequences:
- The eyes are halfway down the whole head. Measured from the crown of the skull (not the hairline) to the chin, the eye-line sits at the midpoint. The cranial mass above the hairline is the part beginners forget, which is why drawn eyes drift too high.
- The mouth is not centred between nose and chin. The lower third subdivides: the centre of the mouth sits roughly one-third of the way from the nose-base to the chin, not halfway.
- The canon is an adult average. A young child's eye-line sits below the head's midpoint and the features cluster lower, because the cranium is proportionally larger. Always re-measure for age.
The live overlay scales these divisions to any image so you can align them to the reference and read the departures.
History — what is real and what is myth
The documented canon
Proportional canons of the face are genuinely ancient. Vitruvius, in De architectura (Book III, c. 15 BCE), records the canon that the face divides into three equal parts — forehead, nose, and the lower face — the source Leonardo later illustrated as the Vitruvian Man.1 The systematic anatomical version artists still use was set out by Paul Richer, professor of anatomy at the École des Beaux-Arts, whose Artistic Anatomy (1890) gives measured proportional canons of the head and body.2 In twentieth-century instruction the canon was popularised for illustrators by Andrew Loomis, whose Drawing the Head and Hands (1956) lays out the thirds and the eye-spacing as a teaching scaffold, and by George Bridgman's Constructive Anatomy (1920).34 Robert Beverly Hale's Art Students League lectures, collected in Drawing Lessons from the Great Masters (1964), show the same measurements at work in master drawings.5
What to keep in proportion
The honest caution is that a canon is an average, not a law of beauty, and it has limits. The familiar "thirds" hold well for many adult faces but were codified largely from European classical sculpture; real human variation across age, sex, and ancestry is wide, and contemporary anthropometric studies of facial proportion show substantial spread around any single canon.6 Treating the grid as a beauty template — nudging a subject's features toward the canon — destroys likeness, which is the one thing a portrait must deliver. The grid's real value is diagnostic: it makes the individual's departures from the average measurable, and those departures are exactly what the eye reads as "that person." Use it to see more accurately, not to standardise.
When to use it (and when not)
| If you want to... | Use the face guide | Don't use it for... | Difficulty |
|---|---|---|---|
| Check a front-view portrait for proportion errors | Align the thirds and eye-widths and read the mismatches | Strongly rotated or tilted heads (use the Loomis method) | Beginner |
| Place features when blocking in a head | The thirds set brow, nose, and mouth heights fast | Full-figure proportion (use a figure-proportion guide) | Beginner |
| Fix eyes that look too high | The head-midpoint check moves them down to where they belong | Caricature, where you intentionally exaggerate (use it in reverse) | Beginner |
| Draw a child's face accurately | Re-measure against the guide — the canon shifts with age | Assuming the adult canon fits a child (it does not) | Intermediate |
| Capture a specific likeness | Measure how the face departs from the canon — that is the person | Forcing the features onto the lines (kills the likeness) | Intermediate |
How the canon reads on six faces
Six portrait situations and how the guide's thirds and eye-widths behave.
High forehead
The hairline-to-brow third is taller than the canon. Measuring the excess is what keeps the likeness honest.
Child's face
Features cluster below the head's midpoint and the eyes sit lower. The adult canon must be re-measured for age.
Three-quarter view
The horizontal thirds still hold; the five-eye spacing compresses with perspective. Pair with the Loomis construction.
Profile view
In profile the thirds remain the reliable vertical check; horizontal eye-spacing no longer applies.
Older adult
With age the lower third often lengthens and the brow lowers. The guide quantifies the shift rather than hiding it.
Common mistakes
1
Placing the eyes too high
The most common beginner error: ignoring the cranial mass above the hairline and putting the eyes near the top of the head instead of at its vertical midpoint.
Fix: measure from the crown of the skull, not the hairline. The eye-line is halfway down the whole head.
2
Forcing the features onto the canon
Nudging the subject's brow, nose, or jaw toward the guide's lines standardises the face and erases the very proportions that make it recognisable.
Fix: draw what you measure. Let the departures from the canon stand — they are the likeness.
3
Using the adult canon on a child
Children have proportionally larger crania and lower features. Applying the adult thirds makes a child read as a small adult.
Fix: re-measure the eye-line and feature heights for the specific age; the canon is an adult average.
How different disciplines use it
For painters and illustrators
This is the core use. At the block-in stage portrait painters set the brow, nose, and mouth heights against the thirds, check the eye spacing against the five-eye rule, then measure each individual departure. Atelier and academic instruction teaches the canon precisely so it can be departed from knowingly. Once the proportions are confirmed the guide comes off and observation takes over.
For photographers and retouchers
Portrait photographers use the guide to check head tilt and framing and to spot when a lens or pose is distorting facial proportion. Retouchers use it as a reference for symmetry and feature placement — with the same caution painters apply: the goal is a faithful subject, not a face pushed toward an idealised canon.
For character designers
Game and animation artists use the canon as the baseline they deliberately stylise away from. Knowing where the realistic thirds and eye-line sit lets a designer enlarge the cranium, drop the features, or widen the eyes for a chosen character read while keeping the result coherent rather than accidental.
For educators
Drawing teachers use the face guide as a first measurable success for beginners: align the overlay, find the errors, correct them. Because it is a live overlay on the student's own reference, it turns an abstract canon into an immediate, visible check — and it sets up the harder lesson that the canon is a starting point, not the goal.
"The proportions I give you are average proportions only. No two heads are alike, and you must learn to see the differences. The construction is there to help you find them, not to make every head the same."
Andrew Loomis, Drawing the Head and Hands (1956)3
Frequently asked questions
What is the portrait face guide?
An overlay of the academic face canon: a centreline, three equal horizontal thirds (hairline–brow–nose-base–chin), and a division of the face into five eye-widths. It is a measuring scaffold for checking and constructing facial proportion, not a template every face must match.
What is the rule of thirds of the face?
The face divides into three roughly equal vertical thirds: hairline to brow, brow to nose-base, and nose-base to chin. It is a teaching average from the classical canons — useful as a check, but real faces vary.
What is the five-eye rule?
A front-view face is about five eye-widths wide: one for each eye, one of gap between them, and roughly one from each eye to the side of the head. It is the standard guideline for spacing the eyes — again an average rather than a law.
Where do the eyes sit on the face?
At roughly the vertical midpoint of the whole head — halfway between the crown and the chin. Beginners place them too high by measuring from the hairline and ignoring the cranium above it.
Do real faces actually follow these proportions?
Approximately, and only on average. Individual faces, ages, and ancestries depart from the canon — and those departures are the likeness. Children especially differ. Use the guide to measure the differences, not erase them.
How is the face guide different from the Loomis head?
The face guide is a flat front-view proportion grid for placing features. The Loomis head is a 3D construction method that builds the skull in any rotation. Use the guide for front or near-front views; use Loomis when the head turns in space.
Does the guide work for three-quarter and profile views?
The horizontal thirds still apply because vertical proportions barely change with rotation. The five-eye horizontal spacing does not — it compresses with perspective. For rotated heads, combine the thirds with the Loomis construction.
How accurate is the face guide overlay in this tool?
The thirds and eye divisions are placed at exact proportions and scale to any image. It is a guide you align to the reference, and it is client-side only — your reference portrait never leaves the device.
How do you keep a face in proportion while you draw?
Block in three checks before any detail. First, the face thirds: brow, nose base, and chin on the equal horizontal divisions. Second, the eye line at the head's vertical midpoint, measured from the crown rather than the hairline. Third, the five-eye width with one eye apart between the pupils. Re-check those three against the overlay as the drawing builds, and the average face proportions stay honest while the individual departures — the likeness — remain yours to record.
References
- Vitruvius. De architectura (On Architecture), Book III, Ch. 1 (c. 15 BCE). Morgan, M.H. translation, Harvard University Press (1914). Dover reprint (1960), ISBN 0-486-20645-9.
- Richer, P. Artistic Anatomy (1890). Translated and edited by R.B. Hale. Watson-Guptill (1971). ISBN 0-8230-0297-7.
- Loomis, A. Drawing the Head and Hands. Viking Press (1956). Titan Books reprint (2011), ISBN 978-0-85768-097-9.
- Bridgman, G.B. Constructive Anatomy. Edward C. Bridgman (1920). Dover reprint (1973), ISBN 0-486-21104-5.
- Hale, R.B. Drawing Lessons from the Great Masters. Watson-Guptill (1964). ISBN 0-8230-1401-0.
- Farkas, L.G. (ed.). Anthropometry of the Head and Face, 2nd ed. Raven Press (1994). ISBN 0-7817-0159-8 — measured facial-proportion variation across populations.
- Goldfinger, E. Human Anatomy for Artists: The Elements of Form. Oxford University Press (1991). ISBN 0-19-505206-4.
- Peck, S.R. Atlas of Human Anatomy for the Artist. Oxford University Press (1951). ISBN 0-19-503095-8 — proportional canon of the head.
Other Artist Guides overlays
Notes from the studio · Three practitioners on the face guide
Illustrative composites of how the tool gets used in practice — not quotes from named individuals.
I align the thirds, find the three things that don't match the canon, and those become the portrait. The grid is a way to see, not a stencil.
For character work I learn where the realistic eye-line sits so I can break it on purpose. You can't stylise what you can't measure first.
Free and browser-only is the right shape for this kind of tool. Lower friction means I actually use it, not save it for special occasions.
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