Калькулятор Перцентиля Ваги Дитини – Стандарти Росту ВООЗ
Find your baby's weight percentile based on age and gender using WHO growth standards. Track healthy development.
Як користуватися цим калькулятором
- Введіть Age (months)
- Введіть Weight (kg)
- Введіть Sex
- Натисніть кнопку Розрахувати
- Прочитайте результат, відображений під калькулятором
Understanding Baby Weight Percentiles
A weight percentile shows how your baby's weight compares to other babies of the same age and sex. A baby at the 50th percentile weighs exactly average; the 75th percentile means heavier than 75% of peers.
Percentiles are based on WHO Child Growth Standards, which represent optimal growth for children worldwide. Healthy babies can fall anywhere from the 3rd to 97th percentile — the trend over time matters more than any single measurement.
WHO Growth Standards
The World Health Organization developed growth standards from a large, multi-country study of children raised under optimal conditions (breastfed, non-smoking households, good healthcare). These standards represent how children should grow, not just how they typically do.
- Normal range: 3rd to 97th percentile
- Concern below: Below 3rd percentile (underweight)
- Concern above: Above 97th percentile (possible overweight)
Always consult your pediatrician — they track multiple measurements over time using growth charts.
Factors Affecting Baby Weight
Many factors influence a baby's healthy weight:
- Genetics: Parental size is the strongest predictor of a child's growth trajectory
- Feeding method: Breastfed and formula-fed babies may grow at different rates
- Gestational age: Premature babies are plotted on adjusted age charts
- Health conditions: Some illnesses can temporarily affect growth
One measurement rarely tells the full story. Consistent tracking at regular checkups gives the best picture of healthy development.
Перцентилі ваги дитини за віком (ВООЗ)
Довідник ВООЗ вага-для-віку (хлопчики).
| Вік | 3-й перцентиль | 50-й перцентиль (медіана) | 97-й перцентиль |
|---|---|---|---|
| Birth | 2.5 kg | 3.3 kg | 4.0 kg |
| 1 month | 3.4 kg | 4.5 kg | 5.7 kg |
| 2 months | 4.4 kg | 5.6 kg | 7.1 kg |
| 3 months | 5.1 kg | 6.4 kg | 8.0 kg |
| 4 months | 5.6 kg | 7.0 kg | 8.7 kg |
| 6 months | 6.4 kg | 7.9 kg | 9.8 kg |
| 9 months | 7.2 kg | 8.9 kg | 11.0 kg |
| 12 months | 7.8 kg | 9.6 kg | 11.9 kg |
| 18 months | 8.8 kg | 10.9 kg | 13.7 kg |
| 24 months | 9.7 kg | 12.2 kg | 15.3 kg |
Останнє оновлення: March 2026
Frequently Asked Questions
Is a high percentile better than a low one?
No — there's no 'best' percentile. A baby consistently at the 10th percentile who is healthy, feeding well, and growing steadily is perfectly normal. What matters most is a consistent growth curve, not the absolute percentile number.
Should I worry if my baby drops percentiles?
A drop of 2 or more major percentile lines (e.g., from 50th to below 10th) warrants a pediatrician visit. Minor fluctuations are common, especially around growth spurts, illness, or changes in feeding.
How often should I weigh my baby?
In the first few weeks of life, weighing every few days helps confirm adequate feeding. After that, monthly weigh-ins during well-child visits are sufficient for most healthy babies. Avoid daily home weighing, as it can cause unnecessary anxiety.