Footwear sizing
Build size charts from foot circumference instep across age and percentile.
Measurement
Foot Circumference Instep
25 years · United States
Foot Circumference Instep for fit, clearance, and sizing decisions across populations.
Girth around the foot circumference instep, used to set fit bands for apparel, equipment, and protective gear.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
2.2 cm (9%)
Median male is 2.2 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 26.0 cm
- Median
- 27.8 cm
- High
- 29.6 cm
Female
- Low
- 23.8 cm
- Median
- 25.6 cm
- High
- 27.4 cm
Male vs female distribution
Predicted values at key percentiles for 25-year-olds in the United States (cm).
Related feet measurements
Median values for nearby feet peers in the 25yo US cohort (cm). Male and female medians as paired bars when both are available.
- Foot HeightMale 9.2Female 8.5cm
- Foot BreadthMale 10.0Female 9.0cm
- Foot LengthMale 27.0Female 24.0cm
- Foot Circumference InstepCurrentMale 27.8Female 25.6cm
- Foot Circumference BallMale 32.2Female 29.6cm
Typical applications
Pedals and floor contact
Check reach and contact for vehicles, equipment, and workstations.
Market variants
Compare foot dimensions when launching or adapting products for a market.
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 foot circumference instep for the ages, percentiles, genders, and countries you design for. Start with a free API key.