How much formula should a baby eat by age?

Newborns start with 1-2 oz per feeding 8-12 times a day. By 1-2 months it's 3-4 oz 7-8 times a day, 2-4 months is 4-5 oz 6-8 times, 4-6 months is 4-6 oz 5-7 times, and by 9-12 months most babies take 7-8 oz 3-5 times a day. Daily totals range from 12-20 oz for newborns up to 24-30 oz for older babies.

How long should breastfeeding sessions last?

In the first two weeks, about 10-20 minutes per side, 8-12 times per day. By 1-3 months, sessions shorten to 10-15 minutes per side as baby gets more efficient. By 3-6 months, sessions may be just 5-15 minutes per side, 6-8 times daily. Baby gets faster at eating as they grow.

How do I know if I'm feeding my baby enough?

Watch for hunger cues like rooting, lip smacking, and fists in mouth — those tell you more than any timer. Let baby lead in the early weeks, and remember that growth spurts around 2-3 weeks, 6 weeks, 3 months, and 6 months can dramatically increase appetite temporarily.

GUIDE

Baby Feeding Chart

How much and how often — from day one to the first birthday.

Bookmark this one. Seriously. You'll be back at 2 AM.

Calculate feeding amounts

Free tool • Based on AAP guidelines

“What we're looking for in the office is consistent weight gain over time, not day-to-day changes.”

Dr. Kristin Barrett, MD, Pediatrician, Cleveland Clinic

Formula Feeding Chart

Age	Per Feeding	Daily Total	Frequency	Tip
0–2 weeks	1–2 oz	12–20 oz	8–12x	Tiny tummy, tiny meals. Wake them every 3 hrs if they're too sleepy.
2–4 weeks	2–3 oz	16–24 oz	8–10x	Evening cluster feeding? Totally normal. Hang in there.
1–2 months	3–4 oz	20–28 oz	7–8x	You might get a slightly longer sleep stretch. Celebrate.
2–4 months	4–5 oz	24–32 oz	6–8x	If they push the bottle away, they're done — trust them.
4–6 months	4–6 oz	24–36 oz	5–7x	Keep an eye out for signs they're ready for solids.
6–9 months	6–8 oz	24–32 oz	4–6x	Solids are starting but milk is still the main event.
9–12 months	7–8 oz	24–30 oz	3–5x	More food variety now — they're becoming a real foodie.

0–2 weeks

Per Feeding1–2 oz

Daily Total12–20 oz

Frequency8–12x

TipTiny tummy, tiny meals. Wake them every 3 hrs if they're too sleepy.

2–4 weeks

Per Feeding2–3 oz

Daily Total16–24 oz

Frequency8–10x

TipEvening cluster feeding? Totally normal. Hang in there.

1–2 months

Per Feeding3–4 oz

Daily Total20–28 oz

Frequency7–8x

TipYou might get a slightly longer sleep stretch. Celebrate.

2–4 months

Per Feeding4–5 oz

Daily Total24–32 oz

Frequency6–8x

TipIf they push the bottle away, they're done — trust them.

4–6 months

Per Feeding4–6 oz

Daily Total24–36 oz

Frequency5–7x

TipKeep an eye out for signs they're ready for solids.

6–9 months

Per Feeding6–8 oz

Daily Total24–32 oz

Frequency4–6x

TipSolids are starting but milk is still the main event.

9–12 months

Per Feeding7–8 oz

Daily Total24–30 oz

Frequency3–5x

TipMore food variety now — they're becoming a real foodie.

Breastfeeding Chart

Age	Duration	Frequency	Notes
0–2 weeks	10–20 min/side	8–12x/day	Colostrum first, then your milk comes in. Feed whenever baby wants.
2–6 weeks	15–20 min/side	8–10x/day	Your supply is building. Growth spurt around 3 weeks — they'll be hungry.
1–3 months	10–15 min/side	7–9x/day	Baby's getting faster at this. Another growth spurt around 6 weeks.
3–6 months	5–15 min/side	6–8x/day	Quicker sessions — they've gotten really good at eating.
6–12 months	5–10 min/side	4–6x/day	Solids are joining the party. Try nursing before meals.

0–2 weeks

Duration10–20 min/side

Frequency8–12x/day

NotesColostrum first, then your milk comes in. Feed whenever baby wants.

2–6 weeks

Duration15–20 min/side

Frequency8–10x/day

NotesYour supply is building. Growth spurt around 3 weeks — they'll be hungry.

1–3 months

Duration10–15 min/side

Frequency7–9x/day

NotesBaby's getting faster at this. Another growth spurt around 6 weeks.

3–6 months

Duration5–15 min/side

Frequency6–8x/day

NotesQuicker sessions — they've gotten really good at eating.

6–12 months

Duration5–10 min/side

Frequency4–6x/day

NotesSolids are joining the party. Try nursing before meals.

Your baby is unique — these numbers are ballpark. Follow their hunger cues and check in with your pediatrician if anything feels off.

If your baby is trending in the right direction at checkups, the day-to-day variation in feeding amounts is perfectly normal.

Tinylog feeding tracker screen showing bottle and breast milk logging

Tinylog keeps track so you don't have to remember.

Log bottle or breast feedings in a couple taps — then see your daily totals, spot patterns, and get gentle reminders. Your sleep-deprived brain will thank you.

A Few Things Worth Knowing

Let baby lead

Especially in those early weeks — they honestly know when they're hungry better than any schedule does.

Watch the baby, not the clock

Rooting, lip smacking, fists in mouth — those cues tell you way more than a timer ever will.

Growth spurts are wild

Around 2–3 weeks, 6 weeks, 3 months, and 6 months your baby might eat like they've never seen food before. It passes.

Skip the comparison game

Breastfed and formula-fed babies eat different amounts. Both are totally fine. Your baby is doing great.

Wondering when those growth spurts actually hit? Check out our baby growth spurt timeline for all the windows and what to expect at each one.

Feeding Calculator

Enter your baby's details for a personalized estimate.

Feeding method

Baby's age

2 weeks

Birth12 months

Weight (lbs)

8 lbs

4 lbs25 lbs

Per feeding

1-2 oz

Feedings per day

8-12

Daily total

20 oz

Feed on demand. Baby's stomach is tiny — frequent, small feedings are perfect right now.

These are general estimates based on AAP guidelines. Every baby is different — always follow your baby's hunger cues and your pediatrician's advice.

Related Guides

How Much Formula by Age — A guide by age and weight
How Much Solid Food by Age — A realistic guide
Newborn Feeding Schedule — Week-by-week guide for the first 3 months
When Can Baby Eat Eggs? — Timing, prep, and allergy guidance
When Can Baby Eat Meat? — Iron-rich foods for babies
When Can Baby Have Dairy? — Milk, cheese, yogurt timing
How to Prepare Baby Food — Simple, safe preparation methods

Sources

American Academy of Pediatrics (AAP) — Infant nutrition and feeding guide
Centers for Disease Control and Prevention (CDC) — Infant and toddler nutrition
World Health Organization (WHO) — Infant and young child feeding
La Leche League International — Breastfeeding resources

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