Seating design
Size seat backs, headrests, and vision lines for seated occupants.
Measurement
Sitting Height
Sitting Height for fit, clearance, and sizing decisions across populations.
Vertical distance from the sitting surface to the top of the head, with the subject seated and the trunk upright.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
6.0 cm (7%)
Median male is 6.0 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 86.0 cm
- Median
- 91.5 cm
- High
- 97.0 cm
Female
- Low
- 80.0 cm
- Median
- 85.5 cm
- High
- 91.2 cm
Male vs female distribution
Predicted values at key percentiles for 25-year-olds in the United States (cm).
Related torso measurements
Median values for nearby torso peers in the 25yo US cohort (cm). Male and female medians as paired bars when both are available.
- Chest Circumference ArmpitMale 82.4Female 75.5cm
- Sitting HeightCurrentMale 91.5Female 85.5cm
- Hip HeightMale 93.5Female 82.0cm
- Low Counter HeightMale 96.6Female 88.1cm
- Hip Circumference MaxMale 98.1Female 98.5cm
- Vertical Grip Reach StandingMale 100.0Female 94.0cm
Typical applications
Vehicle interiors
Set H-point and roof clearance targets across driver populations.
Classroom and office furniture
Match chair and desk systems to seated stature distributions.
API example
Request a median prediction for a 25-year-old man in the United States. Replace the API key with yours from the dashboard.
Coverage at a glance
176 countries
Population coverage for cross-market work
1–88
Age span for developmental and adult cohorts
1–99
Percentile range for accommodation studies
mm, cm, in
Output units for your design system
Start with a free API key
Request sitting height for the ages, percentiles, genders, and countries you design for. Start with a free API key.