How Much Should a Newborn Eat?
Newborns should eat every 2–3 hours — about 8–12 times per 24 hours. In the first days, small amounts (15–45ml) are normal as your milk comes in or as baby adjusts to formula. By 1 month, intake increases significantly.
Key Takeaways
- Newborns should feed 8–12 times per 24 hours — never let a newborn go more than 4 hours without feeding in the first weeks.
- Formula-fed newborns take 45–90ml (1.5–3oz) per feeding in week 1, increasing to 90–120ml by weeks 2–4.
- For breastfed babies, use diaper output (not volume) to assess intake: 6+ wet diapers per day from day 5 onward indicates adequate feeding.
- Crying is a late hunger cue — feed earlier when you see rooting, sucking on fists, or licking lips.
- Newborns should regain birth weight by 2 weeks and then gain 150–200g (5–7oz) per week through the first 3 months.
Feeding Amounts by Age and Method
Formula-Fed Babies
| Age | Amount per Feeding | Feeds per Day |
|---|---|---|
| Day 1–2 | 15–30ml (0.5–1oz) | 8–12 |
| Day 3–7 | 45–60ml (1.5–2oz) | 8–12 |
| 2–4 weeks | 60–90ml (2–3oz) | 8–10 |
| 1–2 months | 90–120ml (3–4oz) | 6–8 |
| 2–4 months | 120–180ml (4–6oz) | 6 |
Breastfed Babies
Breastfed babies cannot be measured by volume. Instead, use these indicators:
- Feed on demand — whenever baby shows hunger cues
- Aim for 8–12 feeds per 24 hours in the newborn period
- Both breasts per session, approximately 10–20 minutes per side
- Baby should end the feed and release the breast on their own
How to Know Your Baby Is Getting Enough
Diaper Output (Most Reliable Indicator)
| Age | Wet Diapers | Bowel Movements |
|---|---|---|
| Day 1–2 | 1–2 | 1–2 (dark meconium) |
| Day 3–4 | 3–4 | 3–4 (transitioning) |
| Day 5+ | 6+ per day | 3–4 (yellow, soft) |
| After 1 month (BF) | 5–6 | Varies (1×/day to 1×/week) |
Weight Gain
- Newborns lose up to 10% of birth weight in first days, this is normal
- Should regain birth weight by 2 weeks
- Should gain 150–200g (5–7oz) per week through first 3 months
Hunger Cues to Watch For
Early signs (respond NOW):
- Rooting (turning head, opening mouth)
- Sucking on hands or fingers
- Licking lips
Late signs (harder feeding ahead):
- Crying, this means baby is already very hungry. Try to feed before this stage.
When to Call Your Pediatrician
Contact your doctor if:
- Baby has fewer than 6 wet diapers/day after day 4
- Hasn't regained birth weight by 2 weeks
- Is very sleepy and hard to wake for feeds (more than 4 hours between feeds in first weeks)
- Seems constantly hungry or never satisfied
- You're concerned about supply
🔗 Track feedings with our Feeding Tracker and see daily totals at a glance.
Sources: American Academy of Pediatrics (AAP). Newborn Feeding Guidelines; WHO. Breastfeeding Recommendations; NHS UK. How Much Milk Does My Baby Need?
Frequently Asked Questions
How much should a newborn eat per feeding?
Formula-fed newborns consume approximately 45–60ml (1.5–2oz) per feeding in the first week, increasing to 90–120ml by 2–4 weeks. Breastfed babies cannot be measured by volume — the AAP recommends feeding on demand and using diaper output (6+ wet diapers/day from day 5) as the primary indicator of adequate intake.
How often should I feed my newborn?
Every 2–3 hours, or 8–12 times in 24 hours. Do not let a newborn go more than 4 hours without feeding in the first few weeks, especially before birth weight has been regained. After 6 weeks with confirmed good weight gain, most pediatricians allow babies to sleep until they wake on their own.
How do I know if my baby is getting enough milk?
The most reliable signs: 6+ wet diapers per day from day 5 onward, regular bowel movements, steady weight gain (returning to birth weight by 2 weeks, then gaining 150–200g/week), and baby seeming satisfied after feeds. For breastfed babies, if you're ever unsure, a weighted feed with a lactation consultant provides accurate intake measurement.
What are the hunger cues I should watch for?
Early hunger cues (act now): rooting (turning head and opening mouth), sucking on hands or fingers, licking lips. Late hunger cue: crying. Feeding a baby who is already crying is harder — they are more agitated, may latch poorly, and may swallow more air. Try to respond before crying starts.
Sources
- AAP — Infant and toddler nutrition guidelines
- WHO — Global infant feeding recommendations
- CDC — Infant and toddler nutrition resources
🔧 Helpful Tools
- Baby Food Guide — Safe foods and introduction schedule for your baby
- Breastfeeding Tracker — Log feeds, track supply, and monitor nursing sessions
- All Baby Tools — Browse all free tools for pregnancy and baby care
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