How Many Baby Bottles Do I Need? Soon-to-be Mommies, You Need to Read This!

Are you going to give birth anytime soon? If so, then you may be asking yourself what are the things that you should prepare for the birth of your baby? One of these is no other than baby bottles.

Regardless if you plan to breastfeed your baby or he will be drinking a formula, baby bottles are still a must have for you. But how many baby bottles do I need?

This is a common question asked by parents worldwide, and I was in the same position as you many years ago. Because of this, I would like to share with you some of the insights that I have learned as I try to discover the answer to this question.


How Many Baby Bottles Do I Need?

Do you expect a straightforward and objective answer here? Well, I am afraid I cannot give you one. That’s because the amount of baby bottles that a mother needs will vary depending on her and her baby’s situation.

So instead of giving you a certain number of bottles, I am here to help you discover the right answer for your situation, and we can do that by considering a few factors.

feeding baby bottle

The Factors to Consider

Mommy Ammo has enumerated a few questions you need to ask yourself, and I have decided to turn them into different factors to consider so you can easily understand it. With that in mind, what are the factors that will help you to determine how many baby bottles do I need? Here are some of them:

Method of Baby Feeding

When it comes to the method of baby feeding, you can opt to breastfeed or bottle feed.

If you have decided to give your baby infant formula, Hopkins Medicine recommends feeding 2 to 4 ounces for 6 to 8 times for the first month to 6 to 7 ounces of milk for 5-6 times from 3-5 months.

If this is the case, you can opt for 6-9 pieces of 9-0z bottles so your child can be able to use it till the 5th month.

If you have decided to give your child breastmilk, you have three options—exclusive breastfeeding, exclusive pumping or a combination of both.

If you have decided to exclusively breastfeed your baby, you will not need any baby bottles.

If you plan to exclusively pump, you have to consider if you plan on using the same bottles for pumping and feeding. If you will use the same bottles for pumping and feeding (and plastic bags for storage), buying 6-7 bottles is recommended.

If you plan to use different bottles for both purposes, you may need to buy 3 bottles for pumping and about 6 bottles for feeding, so that’s a total of 9.

For a combination of both (pumping and breastfeeding), you may need fewer bottles-- around 4.

Cleaning Schedule of Bottles

cleaning baby bottle

But in addition to the method of baby feeding, you may also need to consider the cleaning schedule you have for your bottles.

For this, here are some of the questions that you need to ask-- Are you going to clean the bottles manually or are you going to place it in the dishwasher? Are you going to clean the bottles right away or do it every night? How often do you plan on running your dishwasher?

If you clean the bottles manually right after use, 3-4 bottles will be enough while you may need 6 bottles if you plan on cleaning them at night.

If you will use the dishwasher, you will need 6 bottles if you will run it every night and 12 bottles if you run it every other night.

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Things to Consider When Buying Baby Bottles

Now that you already have an estimate of how many baby bottles you may need, the next issue that I am going to help you with is how to choose baby bottles for your little one. To help you out, here are some things to consider when buying baby bottles:


The most common materials used in baby bottles are plastic, glass, silicone, and stainless steel. Among these materials, silicone is the best option because it is BPA-free, unbreakable and light. This is recommended as it combines the benefits of plastic and glass without their disadvantages.

Bottle Shape

The recommended baby bottles are those with angled neck and ergonomic design as it is easier for your baby to hold.


Initially, you can go for 4 oz bottles, but it is recommended that you shift to 9 0z bottles once your baby hits the 4-month mark as he will have a growing appetite by then.

Venting Systems

The production of gas would be your main concern when feeding your baby. These days, there are feeding bottles that are being advertised as having the ability to prevent colic.

These bottles have straw-like components inside the bottle or venting systems incorporate in the nipple or built under the bottle to prevent your baby from ingesting air bubbles.

Parent, may you need:


How many baby bottles do you need? There is no one-size-fits-all answer to this question. The best thing that you can do to determine the number of baby bottles you may need is to take into consideration two factors—the feeding method you will choose for your baby and the cleaning schedule of the bottles.

3 baby bottle

When it comes to choosing the best baby bottle for your baby, here are some of the tips to keep in mind:

  • Opt for ones that are made of silicone.
  • Choose a bottle with an angled neck so your baby can easily hold it.
  • ​Start with 4-oz. bottles and switch to 9-oz. ones at 4 months.
  • Prioritize bottles with venting systems to protect your baby from possible gas formation.

I hope that this article has helped you find the answer to your question - how many baby bottles do I need.

If you have any questions or feedbacks, you are welcome to share them with me in the comments section. I will wait for you there!

Lily Hayes

Hello and welcome to my blog. My name is Lily Hayes. I am a strong-willed woman who believes that motherhood is the greatest experience in this world. More...

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