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Baby Clothing Size Chart by Age (0–24 Months) — India Guide

by Zizuka Editorial Team 24 Jul 2026 0 comments
TL;DR: Baby clothing sizes are labelled by age (e.g. 0–3M, 3–6M) but fit best when matched to weight and height. Babies grow fast, so buy a size up and check the brand's chart before ordering.

Baby clothes are labelled by age, but every baby grows at their own pace — so age alone is a rough guide. The reliable way to get the right fit is to match your baby's weight and height to a size chart. Here's a clear 0–24 month reference for India, plus how to avoid buying clothes baby outgrows in weeks.

How do baby clothing sizes work?

Baby sizes are shown as age ranges (0–3 months, 3–6 months, and so on), but these assume an average weight and height for that age. Because babies vary, always check the weight/height range on the size chart rather than going by age alone.

Baby clothing size chart (0–24 months)

Size (age) Weight Height
Newborn (NB) Up to 3.5 kg Up to 50 cm
0–3 months 3.5–6 kg 50–60 cm
3–6 months 6–8 kg 60–67 cm
6–9 months 8–9 kg 67–72 cm
9–12 months 9–10 kg 72–76 cm
12–18 months 10–11.5 kg 76–82 cm
18–24 months 11.5–13 kg 82–88 cm

Ranges are a general guide; check each brand's specific chart before buying.

When should you size up?

Size up when your baby is near the top of a weight or height range, or when clothes feel snug at the shoulders, tummy or feet. Since babies often outgrow the 0–3 month size within 6–8 weeks, buying the next size for gifts and stocking up is usually the smart move.

Tips to avoid wasted clothes

Zizuka, an Indian muslin & cotton baby-clothing brand, designs relaxed, breathable fits that stay comfortable a little longer between sizes. Pair this chart with our newborn clothes checklist when planning quantities.

Key takeaways: Match size to weight and height, not just age. Buy fewer newborn pieces, size up near range limits, and choose adjustable muslin styles that fit longer.

Frequently asked questions

What size clothes should a newborn wear?

Most newborns start in newborn (up to 3.5 kg) or 0–3 months (3.5–6 kg), but check weight and height rather than age, and buy only a few newborn-size pieces.

How do I know my baby's clothing size?

Measure your baby's weight and height and match them to the size chart's ranges; weight and height are more accurate than age labels.

When should I move my baby to the next clothing size?

Size up when your baby reaches the top of a weight or height range, or when clothes feel tight at the shoulders, tummy or feet.

Do baby clothes run big or small in India?

It varies by brand, so always check the specific size chart; breathable muslin styles with relaxed fits tend to last longer between sizes.

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