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Ultimate Guide On Diaper Size Chart By Age And Weight






Parenthood, as you might know if you are a parent, typically comes with its own set of difficulties, one of which is determining the proper diaper size for your child. Even though it appears to be a simple task, and most of us would likely follow the age guidelines on the package, let me assure you that you are making your very first mistake over there. 

So, what are your options? Here is a detailed chart of baby diaper sizes by age and weight that should help you choose the best diaper choice. In addition, I even include a thorough buying guide, size guide, and other tips to help you pick the most suitable size for your baby possible.

Diaper Sizes Chart Guide

Baby Diaper Sizes Chart By Age

The table down below of diaper sizes by age and weight (pounds and kilograms) might help you get a broad idea of what size to get for your baby. Please take a closer look at the diaper size charts below if you are using a particular brand.

Diaper Sizes Chart by Weight
Diaper size Age  Weight 
N Only the first few weeks Up to 10 lbs (less than 4.5 kg)
1 2 – 4 months old 8 – 14 lbs (from 4 to 6 kg)
2 4 – 7 months old 12 – 18 lbs (from 5 to 8 kg)
3 7 – 20 months old 16 – 18 lbs (from 7 to 13 kg)
4 18 – 48 months old 22 – 37 lbs (from 9 to 17 kg)
5 Older than 3 years old > 27 lbs (more than 12 kg)
6 Older than 4 years old > 35 lbs (more than 16 kg)

Be Careful:

You could become too enthused about shopping for baby goods as a new mom. You should, nevertheless, refrain from purchasing huge quantities of diapers immediately away. Firstly, determine what diaper size your baby requires.

You could wish to donate your unwanted diapers if you choose to purchase them in the mass anyway. You can also donate them to charities or orphanages in need.

Diaper Size Guide By Brands

If the above chart is the general diaper sizes for your baby, this part will provide you with detailed diaper sizes of some of the most commonly used diapers on the market. Let’s get rolling!

Baby Diaper Sizes

Huggies Diaper Size Chart

Huggies Diaper

As you might all know, Huggies is a well-known brand that provides exceptional diaper care for your small child. Huggies Little Snugglers, Huggies Little Movers, Huggies Snug & Dry Ultra, or Huggies Snug & Dry, are some of the brands available. You can start with Huggies Snugglers for a newborn baby and progress to Huggies Little Movers when your baby grows. Varied species offer varying levels of support to the developing baby.

Huggies Diaper Sizes Baby weight (in pounds) Huggies Snug & Dry Ultra Huggies Little Snugglers Huggies Little Movers Huggies Snug & Dry
P < 6 lbs Yes 
N < 10 lbs Yes 
1 < 14 lbs Yes  Yes  Yes 
2 12 – 18 lbs Yes  Yes  Yes 
3 16 – 28 lbs Yes  Yes  Yes  Yes 
4 22 – 37 lbs Yes  Yes  Yes  Yes 
5 > 27 lbs Yes  Yes  Yes  Yes 
6 > 35 lbs Yes  Yes  Yes 

Pampers Diaper Size Chart

Pampers Diaper

Pampers provides nearly identical basic sizes for kids to other brands. Having said that, it has also included a size 7 for older kids, as well as a baby diaper size one supplement.

Pampers Diaper Sizes Baby weight (in pounds) Pamper Cruisers Pampers Swaddlers Sensitive Pampers Swaddlers Pampers Baby Dry
P < 6 lbs Yes 
N < 10 lbs Yes  Yes  Yes 
1 < 14 lbs Yes  Yes  Yes 
2 12 – 18 lbs Yes  Yes  Yes 
3 16 – 28 lbs Yes  Yes  Yes  Yes 
4 22 – 37 lbs Yes  Yes  Yes  Yes 
5 > 27 lbs Yes  Yes  Yes 
6 > 35 lbs Yes  Yes  Yes 
7 > 41 lbs Yes 

Charlie Banana Diaper Size Chart

Charlie Banana Diaper
Charlie Banana Diaper Sizes Baby Age (months) Baby weight (in lbs) Rise (in inches) Thigh (in inches)
XS 0 – 2 months old 5 – 10 lbs 6.25 inches 3.5 – 5 inches
S 0 – 6 months old 7 – 18 lbs 13 inches 5 – 10 inches
M 5 – 24 months old 15 – 30 lbs 15 inches 9 – 13 inches
L 20 – 36 months old 25 – 45 lbs 16 inches 12 – 16 inches

Mama Bear Diaper Size Chart

Mama Bear Diaper
Mama Bear Diaper Sizes Baby age Baby weight
Newborn  The first few weeks Up to 10 lbs (or 4.5 kg)
1 2 – 4 months old 8 – 14 lbs (or 4 – 6 kg)
2 4 – 7 months old 12 – 18 lbs (or 5 – 8 kg)
3 7 – 12 months old 16 – 28 lbs (or 7 – 13 kg)
4 18 – 48 months old 22 – 37 lbs (or 10 – 17 kg)
5 Older than 3 years old 27 lbs (or over 12 kg)
6 Older than 4 years old 35 lbs (or over 16 kg)

FuzziBunz Diaper Size Chart

FuzziBunz Diaper
FuzziBunz Diaper Sizes Baby Age (months) Baby weight (in lbs) Rise (in inches) Thigh (in inches)
XS Pre – 4 months old 4 – 12 lbs 12 inches 4 – 6 inches
S 0 – 8 months old 7 – 18 lbs 13 inches 5 – 10 inches
M 6 – 36 months old 15 – 30 lbs 15 inches 9 – 13 inches
L 12 + months old 24 – 45 + 16 inches 12 – 16 inches
Petite  12 + months old 25 – 30 16 inches 9 – 12 inches
XL 24 + months old 45 + 18 inches 15 – 18 inches

Goodnites Diaper Size Chart

Goodnites Diaper
Goodnites Diaper Sizes Clothing sizes Baby height Baby weight
Training pants Toddlers  Up to 36 inches (or 91.44 cm) Up to 38 lbs (or 17 kg)
XS 3 – 5 years old Up to 44 inches (or 111.76 cm) 28 – 45 lbs (or 13 – 21 kg)
S/M 4 – 8 years old Up to 48 inches (or 121.92 cm) 38 – 65 lbs (or 17 – 29 kg)
L/XL 8 – 14 years old Up to 52 inches (up to 132 cm) 60 – 125 lbs (27 – 57 kg)

Luvs Diaper Size Chart

Luvs Diaper
Luvs Diaper Sizes Baby age Baby weight
Newborn  The first few weeks Up to 10 lbs (or 4.5 kg)
Size 1 2 – 4 months old 8 – 14 lbs (or 4 – 6 kg)
Size 2 4 – 7 months old 12 – 18 lbs (or 5 – 8 kg)
Size 3 7 – 12 months old 16 – 28 lbs (or 7 – 13 kg)
Size 4 18 – 48 months old 22 – 37 lbs (or 10 – 17 kg)
Size 5 Older than 3 years old 27 lbs (or more than 12 kg)
Size 6 Older than 4 years old 35 lbs (or more than 16 kg)

Diaper Size Chart For Disposable Diapers

In addition to previously popularly used diapers, disposable diapers are also quite common for babies. And the graph down below is intended to provide a broad picture. If you have a favorite brand, make sure to check their unique sizing instructions for the most precise fit.

Disposable diaper sizes Baby’s average weight (in pounds) The average number of diapers a day How long an infant would generally be in that diaper size The average age a baby can use disposable diapers
Preemie  Under 6 lbs As necessary Only during premature During premature
Newborn  Up to 10 lbs 8 – 12 diapers a day Only the first few weeks, maximum Only the first few weeks, maximum
1 From 8 to 14 lbs 8 – 10 diapers a day 3 months From birth to 4 months
2 From 12 to 18 lbs 8 – 9 diapers a day From 2 to 4 months From 3 to 8 months
3 From 16 to 28 lbs 6 – 7 diapers a day Up to one year From 5 to 24 months
4 From 22 to 37 lbs 5 – 7 diapers a day Up to one year From 18 to 36 months
5 Over 27 lbs As necessary  As necessary From 2 to 3 years 
6 Over 35 lbs As necessary As necessary From 3 to 4 years

Diaper Sizing Guide For Cloth Diapers

Cloth and hybrid diapers usually do not have a standard sizing like disposable diapers do.

Although a lot of clothing labels use the labels small, medium, and big, the real sizing and target ages might vary greatly. As a consequence, it is critical to stick to their exact measurement and weight requirements!

It is also worth noting that there are many numerous varieties of cloth diapers. Several cloth diapers are specially designed for certain ages and stages, while others are one-size-fits-all. These are made to grow with your baby and adapt to their changing needs.

While buying one-size-fits-all cloth diapers might seem enticing, they may not be the best fit for your baby at every milestone. At a certain point, you will probably need to purchase diapers in certain sizes.

A lot of different factors can influence how many cloth diapers you should keep on hand. You should think about these elements, for instance:

  • What are your baby’s age and his/her pattern of growth?
  • How often do you intend to wash cloth diapers?
  • What is the quantity of storage space available to you?

In general, you will need 2 to 3 days’ amount of cloth diapers, which for almost all infants is between 24 and 40! (When babies get older and go through fewer diapers a day, this number will drop!)

Ultimate Guide to Understanding Diaper Sizes

Ultimate Guide to Understanding Diaper Sizes

The very first thing to remember about baby diaper sizes is that they are typically determined by the weight of the infant (pounds). As a result, size is appropriate for a specific pound range. Apart from that, take into account that disposable diaper manufacturers adhere to standard sizing. Cloth and hybrid diapers, on the other hand, do not. You can also expect the diaper size of your baby to change as he or she grows.

In the context of disposable diapers, different brands might specify the intended end-age customers (for instance, preemies, infants, newborns, etc.). You should still check the specific diaper’s weight range, though. Although two competing brands might sell “Newborn” diapers, their weight ranges might completely be different (pounds). As a result, your baby could be a Size 1 in this brand but a “Newborn” in another. Fortunately, there is not much difference between brands. Nevertheless, it is usually more than probable that one diaper brand’s fit would be comfier for your kid than another.

Hybrid and cloth diaper brands typically use a standard sizing system (small, medium, and large, for instance). Having said that, a diaper size’s targeted age, weight range, and certain specifications may differ. Many brands also have one-size-fits-all options. This, as a consequence, makes developing a global cloth diaper sizing chart challenging.

As a result, you must first calculate your baby’s weight before determining the appropriate diaper size. Then you must choose the type of diaper you will use. Will it be cloth, disposable, or a combination of both?

What is a Baby Diaper?

Baby Diaper

Diapers are a unique type of underwear worn by newborns and small kids who have not yet learned to use the toilet. Babies might poop freely in diapers without dirtying their baby clothes or the environment. The waste products are absorbed and locked in by the absorbent materials. Every day, babies usually empty their bellies and bladders several times. As a result, they require constant cleaning and replacement.

Different Types of Baby Diapers

Types of Baby Diapers

The two primary types of diapers are as follows:

Baby disposable diapers: This type of diaper is typically constructed of materials that may be thrown away. They also include an absorbent pad, which is often made up of chemicals that can store liquid.

Baby cloth diapers: This type of diaper is usually made of absorbent fabrics that can be easily washed and reused.

Cloth vs. Disposable Diapers – Which Is Better?

Cloth and disposable diapers should not be pitted against each other by parents. Choosing the sort of diaper to purchase is entirely dependent on the family’s lifestyle and preferences. What works for one person may not work for everyone. What matters is that the diaper is both safe and comfy for the child. What is important to parents is that the diaper they choose is inexpensive and easy to use.

As a result, a lot of people prefer to use both. Because cloth diapers are less expensive, some babies choose to use them at home. When traveling with the family, however, disposable diapers are usually the most convenient choice for the parents.

Disposable Diaper: Associated Health Risks

Several people fear disposable diapers comprise toxins that could harm babies. Unfortunately, this belief is not entirely false, as it is supported by research. According to one study, constant exposure to the colors used in disposable diapers can trigger allergic reactions such as rashes. They are said to contain residues of Dioxin, a hazardous toxin created during the diaper bleaching or washing process. It has been related to cancer and a variety of reproductive and developmental issues.

Having said that, another study discovered that the dioxins found in several diaper brands were at extremely low levels. As a result, disposable diapers may not actually pose a major health danger to your child.

Choosing the Correct Pampers Diaper Size for Your Baby

You can refer to the diaper size charts above to determine the optimum diaper size for your little one by adding her or his weight.

The chart at the beginning shows the diaper sizes by your baby’s age and weight. However, this table will also tell you how many diapers you should expect to use on ordinary and how many months your child will require this size. It will definitely be an excellent planning tool.

Pampers diaper sizes Baby weight (in pounds) The average number of Pampers diapers a day How long your baby may need this diaper size (in months)
Size N < 10 lbs 6 – 9 1
Size 1 8 – 14 lbs 6 – 9  2.5
Size 2 12 – 18 lbs 6 – 9 2.5
Size 3 16 – 28 lbs 5 – 7 10
Size 4 22 – 37 lbs 5 – 7 10
Size 5 > 27 lbs 5 – 7 14
Size 6 > 35 lbs 5 – 7 14

Making Certain Diaper Fits Properly

Because newborns come in a variety of shapes and sizes, diapers will fit each one separately. Pampers’ diaper sizes, for instance, are usually based on baby weight rather than gender or age to keep things simple.

In addition, your infant’s weight will usually fall perfectly within the range of a specific diaper size, resulting in an excellent fit. Because the weight ranges may sometimes crossover, you may have an option of two sizes.

For instance, if your kid is long and skinny, you may need to choose the smaller one of the two sizes for the perfect fit.

Basically, there are four fast tests you can take to ensure your baby’s diaper fits correctly, in addition to making sure the diaper fits your infant’s weight:

  • The waistline of the diaper should sit just below your little one’s lower abdomen.
  • There should be no holes in the leg cuffs. Take two fingers inside of the leg cuffs after you put the diaper on your baby to get them in the appropriate position and assist avoid leaks.
  • You must be able to accommodate two fingers underneath the waistband after attaching the diaper. This indicates that the diaper is correctly fitting – not too tight or too loose.
  • There should be no red marks as you remove the diaper.

The Best Way to Weigh Your Baby

You can simply use your regular scale to weigh your little. Remove your baby’s diaper and clothes before stepping on the scale with her/his in your arms. Take down the number. Next, without your little one, return to the scale. To calculate your infant’s weight, subtract the second value from the first one, and you will get your baby’s weight.

When Should Diaper Sizes Be Changed?

Several signals that your kid is ready for a bigger diaper are:

  • It is time to go up a size if the attaching tapes do not really reach the middle of the waistband; if the fastening tapes overlap, it is a sign that the diaper might be too big.
  • If you can’t easily fit two fingers underneath the attached diaper’s waistband, it is time to get a larger size.
  • If you detect red marks on your baby’s belly or thighs as you change the diaper, you might need to get a size bigger.
  • Pick a larger size if the diaper does not entirely cover your little one’s bottom.
  • If your little one has diaper rash frequently, it is possible that her/his diapers are too small and also don’t keep moisture away from her/his skin.
  • If your infant is displaying signs of discomfort, the diaper might be too tiny (for instance, he/she is usually pulling the diaper).

Which Pampers Diaper is Right for Your Little One?

Your newborn’s diaper requirements will change as he/she develops. Here are a few points to think about while selecting a Pampers diaper:


Pick a diaper that is: 

  • extremely soft 
  • incredibly absorbent to keep your little one’s skin dry 
  • constructed so it wouldn’t scrape against the umbilical cord stump, effortless to put on, and secure for your baby

Pampers Pure Protection, Pampers Swaddlers Sensitive, or Pampers Swaddlers are good options at this point.

Growing Babies:

When your baby is anywhere between 6 and 12 months old, the main focus will be on keeping him or her dry. Pampers Cruisers or Pampers Baby-Dry are two great options.

On-the-Go Babies:

If your baby is wriggling a lot, crawling, or walking, look for diapers that are easy to remove rapidly. Pampers Easy Ups or Pampers Cruisers 360° Fit are two examples.

Steven Ta
Steven Ta
I am a professional photographer and shoe-lover. With a deep-rooted passion for all things footwear and years of hands-on experience, I am your go-to guide in the awesome world of shoes
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