What Size Should I Buy for My Baby? A Complete Size Guide for Newborns to Toddlers
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Olachika Kids & Home & Beach 1st blog
Choosing the right clothing size for your baby can feel overwhelming — especially for new parents. Babies grow fast, sizes vary, and age labels don’t always tell the full story.
In this guide, we’ll help you understand baby and toddler clothing sizes, how to choose the right fit, and how to avoid common sizing mistakes — so your little one stays comfortable and happy.
Why baby clothing sizes can be confusing
Many parents assume baby sizes are based only on age, but in reality:
- Babies grow at different speeds
- Length matters more than age
- Brands can vary slightly in fit
That’s why choosing the right size isn’t always straightforward — but with a few simple tips, it becomes much easier.
Baby clothing sizes explained (Newborn – 24 months)
Baby sizes are usually based on length in centimeters, not just age.
Here’s a general guideline:
- Newborn (50 cm) – suitable for babies up to 3–4 kg
- 0–1 month (56 cm) – ideal for the first weeks
- 1–3 months (62 cm) – a popular and practical size
- 3–6 months (68 cm) – offers room to grow
- 6–9 months (74 cm) – great for active babies
- 9–12 months (80 cm) – for crawling and first steps
- 12–18 months (86 cm) – comfortable toddler fit
- 18–24 months (92 cm) – perfect for growing explorers
💡 Tip: If your baby is long or grows quickly, sizing up is always a smart choice.
Toddler clothing sizes (2–6 years)
For toddlers and young children, sizing continues to be based on height:
- 2 years – 92 cm
- 3 years – 98 cm
- 4 years – 104 cm
- 5 years – 110 cm
- 6 years – 116 cm
At this stage, comfort and freedom of movement are key. Clothes should never feel tight or restrictive, especially during play.
How to measure your baby or child correctly
To find the best size:
- Measure your child from head to heel
- Measure without shoes
- Use a soft measuring tape
- Compare the height to the size chart
If your child is between two sizes, always choose the larger size.
Common sizing mistakes parents make
❌ Buying too small “for now”
❌ Relying only on age labels
❌ Forgetting about growth spurts
❌ Ignoring comfort and fabric stretch
Babies and kids grow quickly — a little extra room ensures longer wear and more comfort.
How Olachika sizes fit
At Olachika, our baby and kids clothing:
- Fits true to size
- Is designed for comfort and movement
- Uses soft, high-quality materials
- Allows room for natural growth
Each piece is carefully designed so your child feels free, comfortable, and stylish.
Still unsure about sizing?
We’re happy to help you choose the perfect fit.
📧 Contact us at info@olachika.com
Tell us:
- Your child’s age
- Height (and weight, if available)
- The item you’re interested in
We’ll gladly offer personal size advice.
Final thoughts
Choosing the right size doesn’t have to be difficult. By focusing on your child’s height, allowing room to grow, and choosing comfortable designs, you’ll always make the right choice.
Explore our baby & kids collections and shop with confidence at Olachika.com.