Early sizing studies
Use inter nipple distance to set fit targets before physical prototyping.
Measurement
Inter Nipple Distance
25 years · United States
Inter Nipple Distance for fit, clearance, and sizing decisions across populations.
Inter Nipple Distance as a population dimension for early fit, sizing, and ergonomics work.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
2.8 cm (15%)
Median male is 2.8 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 19.0 cm
- Median
- 21.3 cm
- High
- 23.7 cm
Female
- Low
- 17.0 cm
- Median
- 18.5 cm
- High
- 20.3 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.
- Mid Shoulder To Waist LengthMale 19.4Female 17.9cm
- Inter Nipple DistanceCurrentMale 21.3Female 18.5cm
- Sitting DistanceMale 21.5Female 19.8cm
- Chest DepthMale 22.9Female 23.6cm
- Arm Rest HeightMale 23.0Female 20.6cm
- Shoulder DepthMale 23.5Female 23.1cm
Typical applications
Accommodation bands
Choose percentile ranges for the people you need to include.
Cross-market work
Compare inter nipple distance across countries and cohorts from one catalog.
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 inter nipple distance for the ages, percentiles, genders, and countries you design for. Start with a free API key.