Reach envelopes
Size lateral reach for controls, shelving, and safety rails.
Measurement
Span
25 years · United States
Span for fit, clearance, and sizing decisions across populations.
Horizontal distance between the tips of the middle fingers with arms extended horizontally to the sides.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
19.0 cm (12%)
Median male is 19.0 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 169.5 cm
- Median
- 180.9 cm
- High
- 192.8 cm
Female
- Low
- 152.0 cm
- Median
- 161.9 cm
- High
- 172.3 cm
Male vs female distribution
Predicted values at key percentiles for 25-year-olds in the United States (cm).
Related arms measurements
Median values for nearby arms peers in the 25yo US cohort (cm). Male and female medians as paired bars when both are available.
- Hand Grip Height StandingMale 76.5Female 72.5cm
- Shoulder To Fingertip HorizontalMale 79.0Female 71.0cm
- Upper Limb LengthMale 79.0Female 71.0cm
- Elbow SpanMale 95.5Female 85.5cm
- Armpit Height StandingMale 135.8Female 124.0cm
- SpanCurrentMale 180.9Female 161.9cm
Typical applications
Apparel sizing
Support jacket and coat grading from shoulder span data.
Workspace layout
Set aisle widths and side clearance for extended-arm tasks.
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 span for the ages, percentiles, genders, and countries you design for. Start with a free API key.