How to Select Right Diaper Size for Babies?

author FKM Content Writer

Size plays a major role in selecting the right diaper fit for a baby. As we all know every baby is of different shape and size. Same as the clothing, diapers fit every baby in a different manner. Diapers are sized as per the child’s weight, hence every parent needs to take the baby’s size into account first to find a perfect fit diaper for their baby. And, the diaper sizes upgrade as your baby grows. Is it not necessary that parents need to change the diaper size as they see the signs of growth. To make it easy for the parents, here I have aggregated all the diaper size along with the size chart. Keep on reading, to know how to select diaper size. And, don’t forget to checkout diapers offers online to save your money on purchase.


Select the Diaper Size as per the Baby Weight

Size of the diaper varies according to the baby’s weight. As the diaper size ranges from newborn to extra large but parents need to choose the appropriate size for their baby after considering their weight. This is because, the wrong diaper fit can cause inconvenience and discomfort including leakage, rashes, blowout and more. Since babies are of different shapes and sizes, so thus the baby diaper sizes. Commonly, diaper comes in five sizes including newborn, small, medium, large and extra large. It will become very easy for you to choose the right diaper fit for your baby after looking out at the table. Check out the below-given pampers size chart to know which size of the diaper is going to fit on your baby perfectly.

Type of diaper
Baby weight (in lbs)
Baby weight(in kgs)


6-10 lbs

2-4 kgs


8-14 lbs

3-7 kgs


13-28 lbs

5-13 kgs


22-36 lbs

10-16 kgs


34 lbs or more

15kgs or more

How to Ensure the Diaper Size is Right

Needless to say, a parent has to take into account the size of their baby when it comes to choosing the diaper for their baby. This is because parents want to ensure the safety and comfort of their baby. And, to confirm that is the diaper you have chosen is right or not for that have a look on the below-given factors to avoid more susceptible issues like diaper rash, unexpected leaks, and other unfortunate accidents:

  • When a diaper fits well, it should appear straight and equally proportioned on your baby bottom.

  • The waist is snug with the diaper just under the belly button.

  • The leg cuffs must wrap perfectly around the baby’s legs and bottom. Once you put the diaper run your fingers around the edges to make sure the cuffs are pulled out. Because if the cuffs get tucked inside then it can cause leakage.

  • The tapes should be fastened symmetrically on the waistband of the diaper. Well, if you’ve chosen right diaper for your baby then it will adapt to the baby’s shape and movement and make it more comfortable for your baby

Signs to Know When to Upsize the diaper

When any pee or poo misfortune happens, your first thought maybe blame the diaper. But it might just be that the diaper is wrong for your baby. Size is one of the most common reasons for a blowout or leak. So, always keep an eye on the diaper size as in the initial year baby grows every day. So, if you notice red marks around your baby’s upper legs and tummy area by the diaper elastic. This clearly means the size of the diaper is too small.

Moreover, if you start to begin to notice leaky masses from your baby’s diaper, this is also the sign of small diaper size. So, try the next size in the diaper to ensure the diapers right fit and to add more comforts in baby’s daily life. On the other hand, if you notice the excessive gapping at the waist and legs. This shows that the diaper is too large in size for your baby. Adding on, here are the more signs that every parent needs to look out to know the need for upsizing the diaper of their baby:

  • When the diaper feels tight around the waist and thighs or leaves marks on the skin

  • When you are using the edge of the tape to hold the diaper in place

  • When you notice the diaper is too short and the waistline goes below the navel

  • When there is an increase in the quantity of your baby’s pee results in leakage

  • When your baby’s weight increases from the above-given diaper selection table, then you need to look up to upgrade the diaper size

Other Features Parents need to look in Diaper

  • Pricing: Baby’s comfort is at the top of any parent’s priority list. But the cost of the diaper also doesn’t take the backseat for parents. Being one of the crucial item for daily use, they also require a  substantial money because in the first year of your baby you need atleast 3,360 diapers. For saving your money, you can check out for the online discount on diapers.
  • Convenience: Disposable diapers are always being a comfortable pick up as it can be disposed of easily after use and doesn’t require any kind of washing. Disposable diapers proffer maximum dryness and don’t let your baby stay wet and prevents rashes and other skin issues.
  • Absorbency: It is one of the crucial factors to consider for choosing the right size for your baby. The absorption capacity of a specific diaper tells how much liquid it can absorb to keep the baby dry and comfortable for a longer duration. Because leakage from the diaper leads to dampness which directly results in diaper rashes. So, it is advisable to every parent that choose the diaper which excels in absorbency to keep your baby dry and comfortable.
  • Diaper type: Every baby is different so does the requirements for the diapers. Depending on the need, parents can select the type of diaper that they want for their baby. In general, pants style diapers are most comfortable for the baby as well as the parent. Besides this, there are also numerous factors to be considered while choosing the diaper like material, respond of baby’s skin, absorbing capacity, and convenience.

When you discover the diapers that you have purchased for your child is a wrong fit can be frustrating. And, if it happens often more than you had thought! Now, this is not going to happen as you have the guidance of how to select the diaper size? Consider all the aforementioned factors to buy a right diaper fit which matches your need and pocket as well.



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