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Measure your canthal tilt angle in degrees. Find out if you have a positive, neutral, or negative tilt — and where you rank.
Measure My Canthal Tilt →Measures 10 metrics including canthal tilt · Free · 10 seconds
Canthal tilt is the angle between the medial canthus (inner corner of the eye) and the lateral canthus (outer corner), measured against a horizontal baseline when looking straight ahead. It is one of the most studied facial metrics in aesthetic medicine and is consistently linked to perceived attractiveness, youth, and facial harmony.
The measurement is simple: draw an imaginary line from the inner corner to the outer corner of each eye. If that line tilts upward toward the temples, you have a positive canthal tilt. If it's level, you have a neutral tilt. If it tilts downward, you have a negative canthal tilt.
Most people have a slight positive or neutral tilt. Significant negative tilt (below -3°) is associated with fatigue, premature aging, and is one of the primary targets of cosmetic eye surgery. Strong positive tilt (+5° to +10°) creates the "almond eye" or "fox eye" aesthetic that dominates high-fashion and looksmaxxing discussions.
Outer corner higher · +3° to +10°
Same height · -2° to +2°
Outer corner lower · below -2°
The medial canthus is the inner corner of the eye — the small pink area nearest the nose where the upper and lower lids meet. This is the starting point for the measurement.
The lateral canthus is the outer corner of the eye, farthest from the nose. This is the endpoint of the measurement line.
A line connecting the medial and lateral canthus forms the canthal axis for that eye. This is typically measured on both eyes and averaged for a bilateral reading.
The angle between the canthal axis and a true horizontal baseline (parallel to the floor) gives the canthal tilt in degrees. Positive values indicate upward tilt; negative values indicate downward tilt.
AI measurement
Our AI detects 68 facial landmarks from your photo, including precise coordinates for both medial and lateral canthi on each eye. It calculates the canthal tilt angle in degrees and shows your percentile ranking compared to thousands of measurements — far more accurate than manual estimation.
Canthal tilt has been studied extensively in both aesthetic medicine and evolutionary psychology. A landmark study by Rhee and colleagues (2007) measuring canthal tilt angles across groups rated at different attractiveness levels found that positive canthal tilt was one of the most consistent predictors of perceived facial attractiveness in both men and women. The effect was cross-cultural — the preference for upward-tilted outer eye corners held across Asian, European, and mixed populations.
Evolutionarily, positive canthal tilt is associated with youth. Canthal tilt naturally decreases with age — the lateral canthus droops as the lateral orbital retaining ligament weakens and periorbital fat redistributes. This means that a positive tilt reads as a youth signal, which is why it correlates with attractiveness ratings.
In cosmetic surgery literature, restoring or creating positive canthal tilt is one of the goals of canthoplasty and canthopexy procedures. Studies on post-operative patient satisfaction and rater attractiveness scores consistently show improvements after tilt correction, supporting the hypothesis that positive canthal tilt is a genuine attractiveness feature rather than a cultural trend.
+3° to +8°
Optimal positive canthal tilt range (Rhee et al., 2007)
67%
Of professional models have measurably positive canthal tilt
0.3°/decade
Average lateral canthus drooping rate with aging
Lower body fat reduces periorbital fat pads and under-eye puffiness, which creates a cleaner canthal angle and makes a neutral tilt read closer to positive. Dropping from 20%+ to 13-15% body fat has a visible effect on eye area definition.
Sleep deprivation causes periorbital edema (swelling around the eyes) which droops the lateral canthal area and makes a positive tilt look neutral. Good sleep hygiene — 7-9 hours, reduced sodium, and head-elevated sleeping — visibly improves the eye area within days.
Camera angle dramatically affects how canthal tilt reads in photos. Shooting from slightly above eye level (the camera looking slightly downward at you) tightens the under-eye area and makes positive tilt more pronounced. This is the standard angle for attractiveness-optimized photos.
Canthopexy repositions and tightens the lateral canthal tendon to lift the outer corner. Canthoplasty involves cutting and repositioning the canthus itself for more significant structural change. Both are legitimate cosmetic procedures but carry surgical risks and require experienced surgeons.
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Our AI measures canthal tilt angle in degrees along with 9 other metrics — symmetry, jawline, FWHR, hunter eye index, and more. Free scan, full report for $4.99.
Get My Canthal Tilt Score →Canthal tilt is the angle between the inner and outer corners of the eye, measured relative to horizontal. A positive tilt means the outer corner is higher; negative means the outer corner is lower.
Research suggests +3° to +8° positive canthal tilt is rated most attractive. Neutral (0°) is average. Negative tilt (below -2°) is associated with a tired or sad appearance and receives lower ratings.
Canthal tilt is a specific clinical measurement. Hunter eyes is a broader aesthetic concept involving canthal tilt plus hooded eyelids, low scleral show, and a defined brow ridge. Positive canthal tilt is one component of hunter eyes.
Yes. Take a straight-on selfie with your head level, then use our free AI looksmaxxing test — it automatically measures your canthal tilt in degrees along with 9 other facial metrics.
Yes. The lateral canthus naturally droops as the canthal tendon weakens with age, decreasing canthal tilt by approximately 0.3° per decade. This is why restoring positive tilt is a common goal of eye-area cosmetic procedures.
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One AI scan measures all 8 metrics from a single selfie. You've explored one — get the full picture.
Eye-area products that shift perceived tilt visually.
ESARORA Ice Roller for Face & Eye
$13.99ESARORA
★ 4.5(42k reviews)Reduces under-eye and facial puffiness within minutes — sharpens eye shape and jawline for photos.
Results in immediateCaffeine Solution 5% + EGCG
$7.90The Ordinary
★ 4.3(25k reviews)Under-eye puffiness raises the lower eyelid, reducing negative canthal tilt. Caffeine constricts blood vessels and reduces fluid buildup within 2–4 weeks.
Results in 2-4 weeksCollagen Peptides Powder (9.33oz)
$21.99Vital Proteins
★ 4.6(98k reviews)Collagen supplementation increases skin elasticity and reduces sagging around the jawline and under the eyes. Multiple RCTs show measurable improvement in 4–8 weeks.
Results in 4-8 weeksCurated based on facial analysis data. No photos collected. Affiliate links — we earn a small commission at no extra cost to you.
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