Baby Tools
Baby Height Predictor
Curious how tall your little one might grow? Enter both parents' heights for a fun prediction of your child's adult height.
How tall will they be?
Enter parent heights
Feet
Inches
Feet
Inches
This tool uses the mid-parent height formula, a simplified method for estimating a child's adult height based on the average of both parents' heights with a gender adjustment.
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Common Questions
- How do you predict a child's adult height?
- The most common method is mid-parental height: add both parents' heights in inches, add 5 for boys or subtract 5 for girls, then divide by 2. This gives an estimate within about 2-4 inches. Bone age X-rays provide more accurate predictions but require a doctor's visit.
- How accurate are baby height predictors?
- Mid-parental height calculations are accurate within about 2-4 inches (5-10 cm) for most children. Factors like nutrition, health conditions, and puberty timing can cause actual height to deviate from predictions. The method works best when both parents are close to average height.
- At what age can you predict a child's height?
- A child's height at age 2 is roughly half their adult height, making it one of the earliest reliable indicators. By age 4, the correlation with adult height is stronger. The most accurate non-medical predictions can be made after puberty begins, when growth plate status is more predictable.
For educational purposes only — not a substitute for professional medical advice. Always consult your pediatrician with questions about your child's health.