How to use
- Enter Baby's sex, Age, Current height/length, Reference chart in Baby Height Percentile Calculator. Use the freshest measurement you have, ideally from the same day or clinic visit.
Baby Height Percentile Calculator
Determine your baby's height percentile based on WHO or CDC growth charts. Track your baby's growth.
Result
Your Baby · Baby Height Percentile Calculator
37.1 Percentile
Typical range
Age (months): 12.0 months
Height: 75.0 cm (75.0 cm)
Z-score: -0.33
Reference: WHO Child Growth Standards (WHO Child Growth Standards (2006)) · Supported ages: 0–60 months
Recommendation
Your baby is growing within the normal range
About Percentiles
Percentiles show how your baby's height compares to other babies of the same age and sex. For babies under 2, we measure lying-down length; after 2, standing height is measured.
Parent guide
How to use this tool
Determine your baby's height percentile based on WHO or CDC growth charts. Track your baby's growth.
What the result means
Determine your baby's height percentile based on WHO or CDC growth charts. Track your baby's growth.
Method
LMS z-score using WHO length/height-for-age or CDC stature-for-age
Worked example
Important limitation
Recumbent length and standing height are not interchangeable; measurement position and age must match the reference.
References and data notes
Safety note
Use this result for planning and discussion. Contact a qualified healthcare professional for unusual growth changes, feeding difficulty, fever, missed vaccines, developmental concerns, or urgent symptoms.
Next tools to compare
Baby Weight Percentile CalculatorCalculate your baby's weight percentile using WHO or CDC growth charts. See if your baby is growing on track.Baby Head Circumference CalculatorTrack your baby's head growth percentile using reliable WHO/CDC charts. Monitor brain development.Printable Baby Growth ChartDownload a printable baby growth chart to track your baby's development over time.
Frequently asked questions
Which sources and method does this tool use?
The method, version and primary sources are listed in the evidence section above.
Why might Baby Height Percentile Calculator differ from a clinic visit?
Home measurements, rounding, age calculation, units, and reference choices can all shift the result. Use the same measurement method over time and bring concerns to your pediatrician.
What should I compare with this result?
Compare it with Baby Weight Percentile Calculator, Baby Head Circumference Calculator, Printable Baby Growth Chart, recent trends, feeding or sleep notes, and your child's usual behavior. A steady pattern is usually more informative than one isolated value.