WHO & CDC Reference Ranges

The Growth Range Finder

There is no single "ideal" number — only healthy ranges. Enter an age to see typical height and weight, or check an adult's BMI.

Typical Height
Healthy range for age
Typical Weight
Healthy range for age
Reference tables — infants & children
Infants (WHO standards) — median height & weight
AgeBoy ht / wtGirl ht / wt
Children 4–12 yr — healthy average range
AgeBoy ht / wtGirl ht / wt
Teens 13–18 yr — height range (weight varies widely with puberty)
AgeBoy heightGirl height
How adult healthy weight is estimated

Adult healthy weight uses Body Mass Index: BMI = weight (kg) ÷ height (m)². A BMI between 18.5 and 24.9 is generally considered healthy.

BMICategory
Below 18.5Underweight
18.5 – 24.9Healthy weight
25.0 – 29.9Overweight
30.0 and aboveObesity