Apparel and soft goods
Use neck circumference adams apple to set size grades before cutting samples.
Measurement
Neck Circumference Adams Apple
25 years · United States
Neck Circumference Adams Apple for fit, clearance, and sizing decisions across populations.
Girth around the neck circumference adams apple, used to set fit bands for apparel, equipment, and protective gear.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
4.8 cm (14%)
Median male is 4.8 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 36.0 cm
- Median
- 39.1 cm
- High
- 42.3 cm
Female
- Low
- 31.9 cm
- Median
- 34.3 cm
- High
- 37.9 cm
Male vs female distribution
Predicted values at key percentiles for 25-year-olds in the United States (cm).
Related head measurements
Median values for nearby head peers in the 25yo US cohort (cm). Male and female medians as paired bars when both are available.
- Head LengthMale 20.0Female 18.0cm
- Back Of Head To LipMale 20.8Female 19.3cm
- Back Of Head To Nose TipMale 22.4Female 21.1cm
- Neck CircumferenceMale 37.6Female 33.0cm
- Neck Circumference Adams AppleCurrentMale 39.1Female 34.3cm
- Head GirthMale 57.2Female 54.9cm
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 neck circumference adams apple for the ages, percentiles, genders, and countries you design for. Start with a free API key.