1. What is the normal amount of milk for a 4-month-old baby? When babies are 4 months old, their stomach capacity has greatly increased and can accommodate more food. Therefore, the amount of milk consumed by a 4-month-old baby increases accordingly. Generally speaking, a 4-month-old baby needs to be fed 5-6 times a day, and the amount of milk each time is between 120-180 ml. If the baby is still in the exclusive breastfeeding stage, he needs to be fed about 8-12 times a day. 2. How to judge whether the baby is full? For 4 month old babies