Height Calculator

Predict a child's adult height using Mid-Parental and Khamis-Roche methods, convert between height units, and compare against average heights worldwide.

Mode

Predict a child's adult height based on current measurements and parent heights.

Years  ·  Months (age 2–18)
Required for Khamis-Roche
Predicted Adult Height
130.2 cm   4′ 3.2″
Khamis-Roche 90% range: 128.0 – 132.3 cm
Current height 140.0 cm is at approximately the 69th percentile for boys aged 10 years on the CDC growth chart.

Results

MethodPredicted HeightRange
Khamis-Roche 130.2 cm / 4′ 3.2″128.0–132.3 cm
Mid-Parental178.0 cm / 5′ 10.1″169.5–186.5 cm

Average Adult Height by Country

CountryMen (cm)Women (cm)
Netherlands183.8 / 6′ 0.4″171.1 / 5′ 7.4″
Montenegro183.2 / 6′ 0.1″169.4 / 5′ 6.7″
Denmark181.9 / 5′ 11.6″167.2 / 5′ 5.8″
Norway181.7 / 5′ 11.5″167 / 5′ 5.7″
Germany180.6 / 5′ 11.1″166.3 / 5′ 5.5″
Sweden179.9 / 5′ 10.8″166.1 / 5′ 5.4″
Australia179.2 / 5′ 10.6″165.5 / 5′ 5.2″
United States177.1 / 5′ 9.7″163.5 / 5′ 4.4″
United Kingdom177 / 5′ 9.7″163.7 / 5′ 4.4″
Canada177 / 5′ 9.7″163.9 / 5′ 4.5″
France176.5 / 5′ 9.5″163 / 5′ 4.2″
Brazil173.5 / 5′ 8.3″160.9 / 5′ 3.3″
Japan172 / 5′ 7.7″158.8 / 5′ 2.5″
China171.8 / 5′ 7.6″159.7 / 5′ 2.9″
India165.3 / 5′ 5.1″152.6 / 5′ 0.1″