It depends on the baby’s weight:D for breast milk, you can use this method to calculate: (baby’s weight x 150ml = total intake for each day. E.g. if baby weight is 6.6kg, 6.6k x 150ml = 990ml, so each day the max he/she can drink is 990ml. This is according to the latest check up my baby went to, I asked the nurse the same question.😂
You might find this article useful https://sg.theasianparent.com/gauging-how-much-formula-your-baby-needs In summary Newborn: 2-3 ounces (60-90 mL) per feeding. 1 month old: 4 ounces (120 mL) per feeding. 2 months old: 5 ounces (150 mL) per feeding. 4 months old: 6 ounces (180 mL) per feeding.