Shopping for baby clothes from European brands — or finding a size 74, size 80, size 86, or size 90 on a label — can be confusing if you are used to UK age-based sizing. At Itty Bitty, we stock a range of European-sized baby and toddler clothing, so we have put together this complete guide to help you find the right size every time.
What Does Size 74 Mean in Baby Clothes?
European baby clothing sizes are based on the child’s height in centimetres, not their age. Size 74 means the garment is designed for a baby who is approximately 74 cm tall — which corresponds roughly to a baby aged 6–9 months in UK sizing. This height-based system is more accurate than age-based sizing, as babies grow at very different rates.
Complete EU to UK Baby Clothes Size Conversion Chart
| EU Size | Height (cm) | UK Age | Weight (approx) |
|---|---|---|---|
| 50 | 50 cm | Newborn / First Size | Up to 3.5 kg |
| 56 | 56 cm | 0–1 month | 3.5–4.5 kg |
| 62 | 62 cm | 0–3 months | 4.5–6 kg |
| 68 | 68 cm | 3–6 months | 6–7.5 kg |
| 74 | 74 cm | 6–9 months | 7.5–9 kg |
| 80 | 80 cm | 9–12 months | 9–10.5 kg |
| 86 | 86 cm | 12–18 months | 10.5–12 kg |
| 90 | 90–92 cm | 18–24 months | 12–13.5 kg |
| 98 | 98 cm | 2–3 years | 13.5–15 kg |
| 104 | 104 cm | 3–4 years | 15–17 kg |
| 110 | 110 cm | 4–5 years | 17–19 kg |
Size 74 Baby Clothes — What to Know
Size 74 is one of the most searched European baby sizes in the UK, and it is easy to see why — it falls in the 6–9 month range, which is when many parents start shopping from European brands for the first time. At 74 cm, most babies are sitting up, becoming more active, and outgrowing their early newborn and 0–3 month clothes rapidly. Key things to know about size 74:
- Corresponds to approximately 6–9 months in UK sizing
- Designed for babies approximately 74 cm tall and 7.5–9 kg
- If your baby is tall for their age, they may reach size 74 as early as 4–5 months
- If your baby is smaller, size 74 may last until 10–11 months
Size 90 Baby Clothes — What to Know
Size 90 is the European equivalent of approximately 18–24 months in UK sizing. At this stage, children are typically walking confidently and becoming more active, so comfort and freedom of movement are important considerations when choosing clothes in size 90. Key things to know:
- Corresponds to approximately 18–24 months in UK sizing
- Designed for children approximately 90–92 cm tall and 12–13.5 kg
- Some brands label this as size 92 rather than 90 — these are essentially the same size
- Children in size 90 are typically walking, running, and climbing — choose stretchy, durable fabrics
Tips for Buying European-Sized Baby Clothes
Measure your baby’s height. The most accurate way to find the right EU size is to measure your baby’s height and match it to the size chart above. Age-based estimates are useful as a starting point, but height measurement is always more reliable.
Size up for longevity. Babies grow quickly — particularly in the 6–18 month range. Sizing up by one EU size means clothes will last longer and your baby will have more room to move comfortably.
Check the brand’s specific size guide. EU sizing is standardised, but individual brands may cut their clothes slightly larger or smaller. Always check the brand’s own size guide when available.
See our full UK baby clothes sizes guide for UK age-based sizing, or browse our baby girl clothes collection for our full range. Free UK delivery on all orders over £50.
What is size 74 in baby clothes in UK sizes?
Size 74 in European baby clothes corresponds to approximately 6–9 months in UK sizing. It is designed for babies approximately 74 cm tall and weighing 7.5–9 kg.
What is size 90 in baby clothes in UK sizes?
Size 90 in European baby clothes corresponds to approximately 18–24 months in UK sizing. It is designed for children approximately 90–92 cm tall and weighing 12–13.5 kg.
Why do European baby clothes use numbers instead of ages?
European sizing uses the child’s height in centimetres because height is a more accurate and consistent measurement than age. Babies grow at very different rates, so a height-based system ensures a better fit than age-based sizing alone.
Is size 80 the same as 9–12 months?
Yes — EU size 80 corresponds approximately to 9–12 months in UK sizing, designed for babies around 80 cm tall and weighing 9–10.5 kg.