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Diaper Size And Weight Chart Guide For Babies

Diaper Size And Weight Chart Guide For Babies

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Buying a diaper for a baby is not as simple as buying a face mask. Like baby pants, diapers are also available in different sizes. You need to choose the right size for your baby to avoid leakage and stains on clothes.

It is better to stock up on diapers because there is no way to predict when you might need more diapers. Since diapers are expensive and essential for hygiene, you need to pick the right size. Thus, to help you out, we present a diaper size chart for babies and tips to find the perfect diaper for your little one.

Disposable Diaper Size Chart

Here is a general disposable diaper size chart according to the baby’s weight. The measurement criteria may differ among brands. Nevertheless, this chart will give you a fair enough idea of which diaper size would be suitable for your baby.

Baby WeightBaby AgeDiaper Size
Less than 6lbPremature babyPreemie
Up to 10lbNewborn baby (initial few weeks)Newborn
8 to 14lb0 to 4 months1
12 to 18lb3 to 8 months2
16 to 28lb5 to 24 months3
22 to 37lb18 to 36 months4
Over 27lb2 to 3 years old5
Over 35lb3 to 4 years old6

Cloth Diaper Size Chart

Cloth diapers are usually available in three main sizes — small, medium, and large. Not all cloth diapers are made of the same material, and the sizing could significantly vary even among cloth diapers of the same size. If you decide to buy a one-size-fits-all type of cloth diaper, it might be expensive and may not be suitable for a growing baby through all stages of their growth.

If you prefer cloth diapers and want to stock some, consider the following factors before choosing.

  • Baby’s age
  • Your budget
  • Frequency of your baby’s diaper changes
  • Available storage space at your place

Depending on these factors, you can decide the size, brand, and number of cloth diapers that you should purchase.

Tips To Find The Perfect Diaper For Your Baby

To avoid a ‘blowout,’ it is essential you ensure that the diaper is of the right size for your baby. Here are some tips to consider while buying diapers for your baby.

  1. Check the diaper size: As mentioned above, every brand offers a different size chart based on different parameters. Some brands size the diapers according to age and some as per baby’s average weight. It is important you check the instruction on the package and buy it only when you are certain it will fit your baby.
  1. Observe the cuffs: The cuffs around the leg opening ensure that there is no leakage. Pick a diaper with cuffs that are likely to go around your little one’s legs comfortably and keep the diaper watertight.
  1. Opt for special diapers: Some diapers are designed for a specific purpose. For instance, a swimming diaper is water-resistant and specially designed for underwater use. Similarly, overnight diapers are ideal for bedtime since they have an extra-absorbent core. Pick a diaper based on its primary use.
  1. Consider diaper booster pads: If the brand you prefer for your baby does not offer good absorbency, you can look for booster pads. You can insert it in your child’s diaper to improve the diaper’s absorbency.
  1. Prefer cloth diapers for newborns: Parents often use disposable diapers for their newborn babies to avoid the hassle of washing diapers. However, a cloth diaper could be a safer option for your baby’s sensitive skin. Also, they may offer a more customized fit for a newborn, so there are fewer chances of leakage.
  1. Check for red patches: A diaper is supposed to sit comfortably around your child’s waist and must not be too tight. If you notice red elastic marks around the baby’s thighs and waist, then the diaper is quite likely a size smaller or the diaper material does not suit your baby. Pick another diaper size the next time.
  1. Try different diapers: If you are unsure of the right diaper for your baby, pick a single pack of multiple diapers for a trial. You can try and test a few varieties before determining the one that best suits your baby. Once your baby is comfortable with a certain brand and size, you can purchase a larger quantity of diapers.  
  1. Change diaper size: It is natural for a baby to outgrow their diaper eventually. Some of the signs that indicate it is time to switch to a bigger diaper are the following.
  • The fastening belt does not comfortably reach the center waistband.
  • The diaper leaves red marks around your child’s waist and thighs.
  • The diaper does not fully cover your baby’s bottom.
  • The diaper gives your baby frequent rashes.
  • You are unable to run two fingers under the waistband easily.
  • Your baby looks visibly uncomfortable in the diaper.

Frequently Asked Questions

1. What causes leaks and blowouts in diapers?

As your baby grows, they will outgrow their diaper, which will seem smaller and fit tighter. A diaper smaller than the appropriate size will not hold waste, thus causing leakage from the legs or bottom. Similarly, if the diaper is a size bigger than required, it will be prone to leakage, too.

2. How to prevent leaks and blowouts in diapers?

Here are some tips you can follow to prevent leaks and blowouts.

  1. Use the right size: The right diaper for your child will offer a snug fit and easily hold the waste. You can opt for overnight diapers for bedtime since they can hold waste up to morning.
  2. Change the diaper frequently: Blowouts happen when the diaper is overloaded and not changed in a timely way. Also, leaving your baby with a soiled diaper for too long could increase the risk of skin infections and rashes. You should change your baby’s diaper at regular intervals.
  3. Follow proper instructions: Brands provide instructions for how to put and remove the diaper. Ensure that you follow them correctly so that you don’t accidentally cause a blowout while removing the diaper.

3. Are diaper sizes universal?

Diaper sizes are mostly universal, but there can still be variations among brands. The basis of sizing could vary between weight and age. Check the brands sizing scheme and whether it is based on weight or age before making a purchase.

4. Should a diaper cover the baby’s belly button?

If the umbilical cord stump is still on your baby, then it is best to fold the front of the diaper to prevent it from touching the belly button. The diaper should not touch the stump since it could accidentally tug it. You can consider specialized newborn diapers that feature a waistband hole, which allows the umbilical cord stump to pass through. Once the umbilical stump area is completely healed, the diaper can be worn on top of the naval area. Wearing the diaper high enough can sometimes prevent accidents.

5. How tight should diaper tabs be?

A tight diaper can be responsible for rashes too. The perfect diaper fit is when it sits firmly on your child’s waist. It should neither be too tight where the elastic leaves a mark on the skin nor should it be too loose that it is unable to contain the waste. It should have a fit that is comfortable for the baby and prevents any leakage.

Choosing a diaper could be a complex task, especially for first-time parents. Learning about the different size options and maintaining a checklist of your expectations can make the task easier. Pick a diaper that is safe and suitable for the baby while also adequately serving its purpose. Do not hesitate to try multiple brands or sizes to determine the diaper that ultimately works for your little one.

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Pranjul Tandon

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Pranjul Tandon joined the Childbirth and Postpartum Professional Association (CAPPA) in 2014 to become a Certified Childbirth Educator and began the journey of her venture Womb and Beyond in 2015. She became a certified Infant Massage Instructor with the International Association of Infant Massage (IAIM) in 2017. She has expanded her skills further by being certified as a Baby Sign... more

Dr. Ritika Shah

Dr. Ritika Shah is a dental surgeon with more than seven years of clinical experience across various cities in India. During her clinical practice, pediatric dentistry was her particular area of interest, and she constantly thrived to inculcate the latest advancements in the field of dentistry into her practice. Dr. Shah's deep interest in the well-being of babies and children... more