Tool and grip design
Size handles, triggers, and controllers for hand length.
Measurement
Hand Length
25 years · United States
Hand Length for fit, clearance, and sizing decisions across populations.
Distance from the crease at the base of the middle finger to the tip of the middle finger.
Male–female median gap
Difference between median predictions for the 25yo US cohort.
1.5 cm (9%)
Median male is 1.5 cm larger than median female
Design accommodation range
5th to 95th percentile span for the 25yo US cohort (cm).
Male
- Low
- 17.5 cm
- Median
- 19.0 cm
- High
- 20.5 cm
Female
- Low
- 16.0 cm
- Median
- 17.5 cm
- High
- 19.0 cm
Male vs female distribution
Predicted values at key percentiles for 25-year-olds in the United States (cm).
Related hands measurements
Median values for nearby hands peers in the 25yo US cohort (cm). Male and female medians as paired bars when both are available.
- Grip WidthMale 9.0Female 7.9cm
- Hand BreadthMale 9.0Female 7.5cm
- Palm LengthMale 11.2Female 10.2cm
- Hand LengthCurrentMale 19.0Female 17.5cm
- Fist CircumferenceMale 29.2Female 25.4cm
- Hand CircumferenceMale 29.4Female 26.0cm
Typical applications
Wearables
Fit gloves, rings, and wrist devices to hand proportions.
Human factors testing
Set accommodation targets for manual control 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 hand length for the ages, percentiles, genders, and countries you design for. Start with a free API key.