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Switch between clothing, shoes, and diapers, then search by age range, height, foot length, brand, or size code. The rows are retail approximations designed for first-pass lookup, not a guarantee that one product will fit.
Baby growth varies quickly, so clothing rows include height and weight where common charts publish them. Diaper rows prioritize current weight because diaper brands commonly overlap ranges between adjacent sizes.
Use this table to narrow down likely labels, then check the product page, fabric, cut, return policy, and the child’s current measurements. For skin irritation, pain, braces, or medical clothing questions, ask a qualified professional.
Common questions and answers about this topic.
In this table, the 0M newborn row is about 50 cm in height and up to 3.5 kg. Common labels are US NB, EU, Japan and Taiwan 50, and UK First size. Use them as a first filter, then confirm the exact brand chart.
NB is the smaller starting label. This table maps NB to the 0M row at about 50 cm and up to 3.5 kg, while 0-3M maps to about 56-62 cm and 4.5-6 kg. Brand ranges can overlap, so compare the child's current measurements with the product chart.
Start with age to find nearby rows, but prioritize current height and weight where the chart provides them. If measurements fall between sizes, compare the garment's cut and fabric stretch, then check the larger label as an option.
Measure both feet from heel to the longest toe in millimetres and use the longer measurement in the foot-length column. Shoe lasts and widths vary by brand, so leave appropriate toe room and confirm the brand chart before choosing.
Use the child's current weight before the age hint. Overlap between adjacent sizes is normal; leaks, red marks and waist fit help distinguish them. Product lines vary, so confirm the exact package instead of relying only on the general table.
No. It narrows likely labels, but brands, fabric, shoe width, and diaper product lines vary. Confirm with the exact brand chart.
This tool's data is compiled from the authoritative sources below.
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