This is a lactation consultant IN PERSON question.... Because oz reeeeeally vary. They need to really see your child, their physicality, and have your whole schedule of what they're eating to be looking at
My son from a few weeks to 10 mo drank 20oz of breast milk per feeding on average, and ate every 2 hours or so... For a total of over 200oz per day. Once I list my milk at 10mo he drank about 64?/128? Oz of formula per day (1 big premixed can per day).
He was 10lbs at birth, and comes from a family of 6'6 men, who are done growing by 14 (fast growing omg general). Height alone means needing to be well over 3' tall by age 2.
My goddaughter? Half Japanese, half Egyptian, with a family that is 5' flat, and are still growing in college (sloooow growers), with delicate bone structure. After MY family it looked like the tiny amount she could eat wouldn't keep a bird alive. She's 2 and only 2.5 feet tall, and weighs less than my son at 3 months old... And is pixie perfect.
Some kids are thriving & healthy at 200 or 20oz a day.
But that doesn't matter. It doesn't matter if MY kid is heathly if yours isn't.
Doctor & Lactation consultant