# My baby is 4 months old and I am wondering how many ounces of formula he should be eating in a day ?

Jennifer - posted on 12/04/2009 ( 12 moms have responded )

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My baby is 4 months old, still drinks only formula and I want to know if there is a gauge to how many ounces he should be consuming in one day - from the time he wakes up to the time he goes to bed at night?

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David - posted on 08/29/2012

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Our doctor told us the rule of thumb for daily consumption is 140 milliliters per Kilogram. So if you convert their weight to Kilograms, and then multiply that number by 140, you will get how many milliliters they need per day, and you then convert that to ounces. For instance, our baby is 11 pounds, 6 ounces, and she needs 24.5 Ounces every 24 hours. It takes a little math, but it works. I have an excel spreadsheet that calculates it if you would like.

Elisa - posted on 07/05/2011

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Talk to your doctor before putting cereal in your childs bottle prior to 4 months. Some moms do it to try and get thier babies to sleep all night for example. (Babies generally sleep thru the night around 13 lbs.) The problem with that is not getting enough formula/breast milk which have all the vitamins, nutrients, ect that is sooooo important in thier development.

He also eats 6-7 oz every 3.5-4 hours! :)

Christina - posted on 12/04/2009

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my son is 4months also.. He eats about 4 to 6 ozs at any given moment. Here is something that i found on a website.
26-32 ounces of formula a day spread out over 4 to 7 feedings.
Rice, barley, or oatmeal infant cereals (iron-fortified)
We suggest waiting until after 5 mo. To start cereal. Mix 2-3 Tbs. Cereal with
formula, water, or breast milk. Feed with baby spoon.

to get this info go to..

Amanda - posted on 12/04/2009

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Every baby is different. My son was eating 4oz every 3 to 4 hours around that time. My good friend baby is 2 months and already eats 6oz every 4 hours. If you over feed the baby he/she will spit up it all trial and error

Maria - posted on 12/04/2009

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According to a food chart I received from my doctor, 4 - 5 months baby should be eating an average of 24-32 ounces in a 24 hour period. I always use the chart as a guide to help me monitor my babies eating. My baby is 8 months and eats an average of 26-28 ounces. I have her on a "schedule" and give her about 4oz every 3 hours, except her last feeding she gets 6oz to help her sleep through the night. And now she's eating solids so she gets 4oz and solids for her 9 am, 3pm and 6 pm feeding. Hope this helps. :)

Mesha - posted on 12/04/2009

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Well wen my daughter who is 7 months now was 4 months I gave her 4-6 onces evry 3-4hrs

Alyssa - posted on 12/04/2009

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I would say about 4-6 ounces every 2.5 to 3 hours is good. if you go on to babycenter.com they can give you an estimate. I would suggest that you just feed your baby when hungry. they will not eat if they are not hungry so you do not have to worry about them over eating. it is the best way for them to get the nutrience they need. they know better than we do. your doctor will aprove also. just make sure you continue to show them the difference between night and day. its rather easy. good luck!

Krystal - posted on 12/04/2009

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How many feeds is he having? My CHN & Paed worked out a formula. Think it was their weight plus one. So my son is 7.8kgs so he'd take 8.8oz a feed.

Mattee - posted on 12/04/2009

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Not sure on a 4 month old but my 2 week old is eating 3 1/2 oz breastmilk every feeding every 2 hours.

Kerri-Ann - posted on 12/04/2009

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I started my son on formula at 4 months and he started with 6 oz but he usuall only drank about 5 oz each time. But my son is a big boy. I started making the bottle big then I knew there'd be enough there and if there was a bit left I just threw it out. I have noticed on here alot of people put cereal in the bottles but where I live they really stress not to put it in the bottle. The health unit here says if they need extra spoon feed it. I started spoon feeding my son cereal at 41/2 months and really seems to have helped settle him especially at night.

Mary - posted on 12/04/2009

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Oh goodness, it all depends on the baby really. I would be guessing about 4 oz every few hours at least...Sooo thatd be how many bottles, 24 oz at least from morning till night. My daughter didn't eat as much as other babies though cuz we put oatmeal in her bottle. Fills them up faster and longer, plus she was able to keep her food down when we put about a tblspn of oatmeal in her bottle. (she has acid reflux)

Vixi - posted on 12/04/2009

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every baby is different hun as long as he/she seems happy and content, you are doing something right! x