Child Height Predictor

Predict your child's adult height based on parental heights and other factors using scientifically validated methods.

Unit System

Metric (cm)

Imperial (inches)

Child's Gender

Male

Female

Father's Height (cm)

Mother's Height (cm)

Child's Age (optional)

Child's Current Height (cm) (optional)

About Child Height Predictor

The Science of Height Prediction

Height prediction is based on several scientific methods, with the most reliable being the Mid-Parental Height Method developed by Franz Boas. This method takes into account the genetic influence of both parents while considering gender-specific growth patterns. Modern research has shown that approximately 80% of a person's height is determined by genetic factors, while 20% is influenced by environmental factors such as nutrition, sleep, and overall health.

Methods and Calculations

Mid-Parental Method

• Boys: (Father's height + (Mother's height + 13cm)) ÷ 2
• Girls: ((Father's height - 13cm) + Mother's height) ÷ 2
• Accuracy: ±5cm (2 inches) range
• Most reliable for children of average-height parents

Additional Factors

• Current height percentile
• Growth velocity
• Bone age (if available)
• Pubertal stage

Factors Influencing Growth

Genetic Factors

• Parental heights
• Family history
• Ethnic background
• Gender-specific patterns

Environmental Factors

• Nutrition and diet
• Physical activity
• Sleep quality
• Overall health status

Frequently Asked Questions

How accurate are height predictions?

Height predictions are generally accurate within a range of ±5 cm (2 inches). The accuracy improves when using current height and age data, and when predictions are made closer to puberty. However, various factors can influence final adult height, making exact predictions challenging.

When is the best time to predict adult height?

Height predictions become more accurate as a child approaches puberty, typically around ages 8-13 for girls and 10-15 for boys. Predictions made during or after puberty tend to be more reliable as growth patterns become more established.

Can lifestyle factors affect final height?

Yes, environmental factors can influence final adult height. Proper nutrition, adequate sleep, regular exercise, and overall good health during growth years can help a child reach their full height potential. Conversely, poor nutrition, chronic illness, or lack of sleep may prevent a child from reaching their genetic height potential.

Learn More

WHO Growth Standards