Pampers ® has been developing nappies for over 60 years, caring for babies’ happy healthy development and creating nappies for babies of every age, from precious newborn to potty training toddler. For example, a size 4 diaper’s weight range is between 22 and 37 pounds, a size 5 diaper’s weight range is over 27 pounds, and a size 6 diaper’s weight range is above 35 pounds. The size chart also lets you know the average number of nappies you can expect to use and will give you a rough idea of how many months your baby or toddler will need each size. Instead, after taking hundreds of thousands of measurements, Pampers has organized diaper size by weight to help you select the right diaper. In addition to knowing how many diapers you’ll need, you might want to know how long your little one will wear each size.

A well-fitting diaper in the right size will be more comfortable for your baby and can help prevent leaks and blowouts from occurring. Since these weight ranges can overlap in different diaper sizes, keep reading to learn more about how to find a good fit, when to size up diapers, and which Pampers diaper is best for your little one. To keep things simpler, Pampers nappy sizes are based on baby weight – not things like age or gender. Once you find the best nappy size for your little one using our nappy size chart, choosing the right nappy will be a breeze.

The diaper may be too small if your baby shows signs of distress (for example, pulling at the diaper).

Learn more about how your little one might grow and change in size with our baby growth calculator below! Size 3, size 4, size 5, size 6, size 7 and size 8 make up the rest of the Pampers ® range, with taped and nappy pants style nappies available in all sizes. The only newborn nappy approved by the British Skin Foundation*, Pampers New Baby nappies offer snuggly soft protection for sensitive newborn skin. For example, if your baby weighs 4 or 5 kilograms a Pampers size 2 nappy might be the ideal size, but if you have a baby who is long and slim you might need to stay with the smaller of the two possible sizes (Pampers size 1) for the best fit. A common question among parents is how to read a diaper size chart by age; however, age isn’t the ideal factor to consider.Pampers ® Active Fit Nappy Pants provide Pampers ® best comfort and protection in easy to change pants form. For example, the nappy types designed with more active babies in mind start at size 3 or size 4 as your baby will likely be far more active as he grows. If you’ve done all this and checked you’ve got the right nappy size, it could be time to choose a more absorbent nappy, like Pampers Baby-Dry. Depending on your baby’s birth weight, it’s possible a larger size will be the best fit, so take a few of each of the smaller sizes of newborn nappies to try.

Then put your baby down in a safe place (preferably the cot) or give him or her to someone else to hold. After the nappy is on, run two fingers around just inside the leg cuffs to get them in the proper position to help prevent leaks.With soft, stretchy side wings and double leg cuffs that gently adapt to your baby’s body and a navel-friendly shape to protect your baby’s delicate tummy.