Question: how many ounces should a nine month old eat?
Answer: How much should a 9-month-old eat? Bottle feeding: How many ounces should a 9-month-old drink? It should total about 24 to 32 ounces in a 24-hour period. In other words, if baby has a bottle or sippy cup six times per day, they should each have about four to six ounces of formula in them.