Step-over clearance
Size running boards, bike frames, and barrier step heights.
Measurement
Crotch Height
25 years · United States
Crotch Height for fit, clearance, and sizing decisions across populations.
Vertical distance from the floor to the crotch (inguinal crease), with the subject standing erect.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
7.8 cm (10%)
Median male is 7.8 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 77.2 cm
- Median
- 83.5 cm
- High
- 88.7 cm
Female
- Low
- 71.4 cm
- Median
- 75.7 cm
- High
- 80.9 cm
Male vs female distribution
Predicted values at key percentiles for 25-year-olds in the United States (cm).
Related legs measurements
Median values for nearby legs peers in the 25yo US cohort (cm). Male and female medians as paired bars when both are available.
- Buttock Knee LengthMale 59.1Female 56.3cm
- Upper Leg Length SittingMale 59.1Female 56.3cm
- Thigh Circumference MidpointMale 59.6Female 57.6cm
- Thigh Circumference Below ButtockMale 69.4Female 67.0cm
- Crotch HeightCurrentMale 83.5Female 75.7cm
- Buttock To Sole SittingMale 91.8Female 86.1cm
Typical applications
Apparel grading
Anchor inseam and rise calculations to crotch height distributions.
Sports equipment
Fit protective gear and mobility equipment to leg length envelopes.
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 crotch height for the ages, percentiles, genders, and countries you design for. Start with a free API key.