Everything parents need — smart tools to follow your child’s growth and development
All your child’s growth data in one place: enter weight and height, get automatic percentile and BMI insights, with clear visual tracking.
Check height and weight percentiles based on WHO standards, with clear charts for age and sex.
Track growth percentiles for preterm babies using corrected age, with a clearer view for early follow-up.
Get a quick, easy-to-understand picture of your child’s weight status in relation to age and sex using BMI.
Estimate recommended daily calorie needs based on age, sex, height, weight, and activity level — with a clear and parent-friendly result.
A short parent questionnaire to help you understand whether your baby shows signs of readiness for solids, with clear guidance on what comes next.
Estimate child height using the Khamis-Roche formula. The calculation combines the child’s and parents’ height for a practical statistical prediction.
Select the stool color and get a clear explanation: what may be normal at different ages, when it may relate to diet, and when to speak with a doctor.
Our calculator is based on the Khamis-Roche formula, which is considered one of the most reliable methods for predicting adult height without the need for a hand X-ray or bone age assessment. The calculation takes into account the child’s current height, age, weight, and both parents’ height. Still, it is important to remember that this is only a statistical estimate, and final adult height may vary.
All charts and calculators on the site are based on the official World Health Organization (WHO) growth standards, which are widely used in child health care. The results are adjusted according to the child’s sex and exact age for a more precise view of growth.
Yes. The site includes dedicated tools for babies born preterm, including corrected age and growth tracking adapted for early follow-up. One of the advantages of the system is the ability to support a more accurate picture of growth during the first stages of development.
Unlike adults, children’s bodies change quickly as they grow, and body composition differs between boys and girls. That is why a BMI calculator for children does not rely only on the formula result itself. Instead, it compares the result to age- and sex-specific percentiles (BMI-for-age), giving a more meaningful picture of growth.
The general recommendation is to start around 6 months of age, but age is not the only factor. Important signs include good head control, the ability to sit with support, and the fading of the tongue-thrust reflex. Our “Starting Solids Readiness” questionnaire helps parents review these signs in a simple and structured way.
Absolutely. The system presents results in a clear and visual way, with simple explanations next to each measure, so even parents without a medical background can understand what the results mean and where their child stands.