Size of Baby Diapers

What size of diapers to buy for your baby-to-be is a question you may not know until your baby arrives. Plan on using plenty of diapers for your newborn, but don't overload on the newborn size. Babies that have a higher birth weight may not even fit into the smallest size at all.

Start with one package of 40 count newborn diapers if your baby weighs less than 8 pounds at birth. If you baby's birth weight is 8 pounds or more, buy the size 1 diapers.

Once you've determined what brand works best for your baby, buy in economy size. Don't buy the next size too quickly because a larger diaper costs more. Diaper companies charge the same per pack regardless of the size of the diaper, but there are fewer diapers in the package as the size gets larger.