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How much milk does a newborn need, and how often should feeding occur?

Quick answer

Milk needs depend on age in days, weight and feeding method. Many breastfed newborns feed about 8–12 times in 24 hours, with hunger cues, fullness and growth guiding assessment. One fixed volume per kilogram should not be applied to every newborn day or feed.

Details

During the first days

The stomach is small and milk intake increases gradually. Frequent breastfeeding supports milk supply. A sleepy newborn may need waking according to the care plan; feed duration alone does not establish adequate intake.

When using formula

Newborns generally start with small amounts that increase as they grow, with individualized advice when needed. Prepare formula exactly as directed: never dilute it or add extra powder. Do not force a baby to finish a bottle after showing fullness cues.

Signs needing review

Assess intake through weight, swallowing and age-appropriate urine and stool output. Poor feeding, difficulty waking or reduced urine needs prompt contact with the baby’s team, especially with increasing jaundice or concerning weight loss.

Related reading: What are the benefits of breastfeeding, and how can I tell my baby is getting enough?.

Note: This answer is for educational purposes and does not replace a consultation with a specialist who examines your case in person. Do not use it for self-diagnosis.

References

  1. How much and how often to breastfeed — CDC
  2. How much and how often to feed infant formula — CDC
  3. Your baby’s weight and height — NHS