A 3-week-old baby typically consumes about 1 to 3 ounces of milk per feeding and needs to eat every 2 to 3 hours. This means they usually have about 8 to 12 feedings in a 24-hour period
. On average, many 3-week-olds take around 2 to 3 ounces per feeding every 3 to 4 hours
. For formula-fed babies, a useful guideline is about 2.5 ounces of formula per pound of the baby's body weight per day. For example, an 8-pound baby would need roughly 20 ounces in a day, spread across multiple feedings
. In summary:
- Feedings: every 2 to 3 hours (about 8-12 times a day)
- Amount per feeding: 1 to 3 ounces, often around 2 to 3 ounces
- Total daily intake: roughly 16 to 36 ounces, depending on baby's weight and appetite
Parents should watch for hunger cues and fullness signals to adjust feeding amounts as needed, and consult a pediatrician if unsure
