Humanform

Measurement

Calf Circumference

25 years · United States

Calf Circumference for fit, clearance, and sizing decisions across populations.

Girth around the calf circumference, used to set fit bands for apparel, equipment, and protective gear.

Male–female median gap

Difference between median predictions for the 25yo US cohort.

1.9 cm (5%)

Median male is 1.9 cm larger than median female

Design accommodation range

5th to 95th percentile span for the 25yo US cohort (cm).

Male

Low
34.9 cm
Median
38.2 cm
High
41.5 cm

Female

Low
32.8 cm
Median
36.3 cm
High
39.6 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.

Typical applications

Apparel and soft goods

Use calf circumference to set size grades before cutting samples.

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 calf circumference for the ages, percentiles, genders, and countries you design for. Start with a free API key.