Apparel and soft goods
Use upper arm circumference midpoint to set size grades before cutting samples.
Measurement
Upper Arm Circumference Midpoint
25 years · United States
Upper Arm Circumference Midpoint for fit, clearance, and sizing decisions across populations.
Girth around the upper arm circumference midpoint, used to set fit bands for apparel, equipment, and protective gear.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
1.7 cm (5%)
Median male is 1.7 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 31.6 cm
- Median
- 33.0 cm
- High
- 34.4 cm
Female
- Low
- 30.2 cm
- Median
- 31.3 cm
- High
- 32.3 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.
- Back Of Elbow To Wrist LengthMale 25.6Female 23.4cm
- Forearm LengthMale 25.6Female 23.4cm
- Upper Arm LengthMale 28.5Female 26.7cm
- Upper Arm Circumference MidpointCurrentMale 33.0Female 31.3cm
- Shoulder Elbow LengthMale 37.0Female 33.5cm
- Work ReachMale 41.7Female 38.1cm
Typical applications
Wearable and gear fit
Size straps, harnesses, and protective gear to population girth.
Market variants
Compare girth across countries when a size run must travel.
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 upper arm circumference midpoint for the ages, percentiles, genders, and countries you design for. Start with a free API key.