Is this a child height percentile calculator?

No. It estimates adult height from current height and age. Use a growth-chart tool or pediatric visit for height-for-age percentile interpretation.

Why compare with parent heights?

Parent heights provide a broad genetic target range. If current-height prediction and parent-height target differ a lot, growth trend and clinical context matter more than either single number.

Can this diagnose a growth problem?

No. Diagnosis requires clinical evaluation, repeated measurements and sometimes tests such as bone age or lab work.

Child Height Prediction Calculator

Estimate a child's adult height from current age and height, with an optional mid-parental height cross-check and pediatric growth cautions.

Child sex

BoyGirl

Age, years

Additional months

Current height, cm

Child height prediction calculator with optional parent heights for a Tanner mid-parental cross-check.

Father's height, cm

Mother's height, cm

Prediction is not a height percentile

This calculator estimates a possible adult height from the child's current age and height. It is different from a CDC height percentile calculator, which compares the current measurement with children of the same age and sex.

adult height \approx \frac{current height}{percent of adult height /100}

The current-height method divides current height by an age-based percent-of-adult-height reference.

remaining height = estimated adult height - current height

Remaining height is an arithmetic estimate, not a clinical growth forecast.

Use cautiously

Adult-height prediction varies by puberty timing, family pattern, nutrition, chronic illness and measurement quality. A pediatrician may use growth velocity, bone age and growth charts when there is a concern.

How to compare methods

Method	Uses	Main limitation
Current-height prediction	Age, sex and current height	Very sensitive to puberty timing
Mid-parental height	Biological parent heights	Only a broad genetic target range
Growth chart percentile	Repeated age/sex measurements	Needs clinical interpretation over time

Frequently Asked Questions

Sources and References

Calculations are based on the listed reference sources. Links open in a new tab.

Updated: June 2, 2026

Related Tools

Child Height Calculator

Estimate a child's adult height from parent heights and check a height-for-age reference position with pediatric growth-chart caveats.

Open

Baby Blood Type Calculator

Estimate possible baby blood types from parents' ABO and Rh blood types using educational inheritance probabilities and Punnett-square style logic.

Open