Taking care of a 30-month-old baby is quite difficult but also interesting. Your little angel is officially two and a half years old. The average weight of a 30-month-old baby is about 12.7 kg for girls and 13.6 kg for boys. However, depending on the nutritional care conditions for the baby, many parents still do not know how many kg is appropriate for a 30-month-old baby? Read the article below to better understand how much a 30-month-old baby weighs.