From Newborn to Toddler: A Guide to Baby Clothes Sizes
Bradley Price on April 22, 2024
Navigating the world of baby clothes sizing can be surprisingly complex and confusing for new parents. As babies grow from newborns to toddlers, their clothing needs change rapidly. Understanding how to select the right size is essential for ensuring your baby's comfort and mobility, managing your budget, and avoiding excessive clothing waste.

The Importance of Understanding Baby Clothes Sizes

Baby clothes sizes are not universal; they vary significantly between brands and regions. This variability can make shopping for your baby somewhat tricky. A clear understanding of baby clothes sizing will help prevent the purchase of outfits that are too small or excessively large, both of which can be impractical and sometimes even unsafe.

Size Variability by Brand

Brands often base their sizing on various metrics, including age, weight, and length, but these must be standardised. For example, what one brand considers a size for a 3-month-old might vastly differ from another brand's equivalent. This inconsistency can lead to frustration and wasted money on clothes that are rarely, if ever, worn.

Decoding the Sizing Chart

A typical baby clothing size chart is divided into different categories that correlate with the baby's age, weight, and length. Here's a simplified breakdown to help guide your purchases:

Newborn (NB)

  • Age: 0-2 months
  • Weight: up to 4-5 kg
  • Length: up to 55 cm

Up to 3 months

  • Age: 2-3 months
  • Weight: 4-6 kg
  • Length: 55-61 cm

Up to 6 months

  • Age: 3-6 months
  • Weight: 6-8 kg
  • Length: 61-67 cm

Up to 9 months

  • Age: 6-9 months
  • Weight: 8-9.5 kg
  • Length: 67-72 cm

Up to 12 months

  • Age: 9-12 months
  • Weight: 9.5-11 kg
  • Length: 72-78 cm

Up to 18 months

  • Age: 12-18 months
  • Weight: 11-12.5 kg
  • Length: 78-83 cm

Up to 24 months (or Toddler sizes)

  • Age: 18-24 months
  • Weight: 12.5-13.5 kg
  • Length: 83-90 cm
This chart serves as a general guide, but checking specific brand sizing guides is essential as variations are common.

Choosing the Right Materials

In addition to understanding size variations, choosing the right fabric for your baby's clothes is also key. While many parents opt for traditional materials, an increasing number are looking towards more sustainable options. Among these, organic cotton is frequently discussed for its environmental and health advantages. Considering the benefits and drawbacks of organic cotton can help you decide if it's the right choice for your baby. This material reduces exposure to pesticides and allergens, making it gentler on your baby's sensitive skin. However, it can be more expensive and less readily available, which might influence your purchasing decision.

Tips for Buying the Right Size

Consider the Season

Think about what season it will be when your baby reaches the age on the tag. Buying a summer outfit sized for 6 months may not be practical if your baby will be that age in the middle of winter.

Plan for Growth

Babies grow at an astonishing rate. When in doubt, it is often wiser to buy a size larger, especially in staples like sleepsuits and bodysuits. These items are forgiving in fit and will likely be worn over multiple months.

Read Reviews

Online reviews can be a goldmine of information about how true to size baby clothes are. Other parents often share whether items run large or shrink in the wash, which can help you make more informed decisions.

Parental Experiences with Sizing

Many parents learn about sizing through trial and error. One common anecdote is about a parent who bought several expensive outfits only to find that their baby outgrew them before having a chance to wear them. Another common story is the surprise when a '3-month size' outfit from one brand was the same as a '6-month size' from another.
These experiences underline the importance of anticipating growth and understanding that brand sizes are merely guidelines.

Adjusting Sizes for Different Body Types

Not all babies are the same shape; some will be taller, shorter, leaner, or chubbier than others. Here are a few tips for adjusting sizes for different baby body types:

For Tall Babies

Look for brands that offer a longer fit, or consider sizing up to accommodate length. However, ensure the fit around the waist is secure so it does not slip.

For Chubby Babies

Choose clothes with stretchable fabrics and wider openings. Some brands offer a 'plus size' range for babies, providing extra room without the length.

For Petite Babies

Avoid buying too big sizes as excess fabric can be cumbersome and unsafe. Instead, look for brands known for their snugger fit.

Handling Unexpected Growth Spurts

Growth spurts can render a well-planned wardrobe impractical overnight. Here's how to handle them:
  • Keep a Range of Sizes Available: Always have the next size up in basic items.
  • Adjustable Clothes: Items with adjustable waistbands or extendable cuffs can accommodate sudden growth.
  • Exchange and Return Policies: Familiarise yourself with store policies so you can swap sizes if necessary.
By understanding these elements of baby clothes sizing, you can make more educated choices, reduce stress, and enjoy dressing your baby in comfortable, stylish, and practical outfits as they grow from a newborn to a toddler. Speaking of practical yet stylish items, baby bibs are not only practical but also highly decorative. Available in a variety of materials and designs, these bibs can complement any outfit while keeping your baby clean and dry. They are particularly handy during feeding times or when your baby begins to teeth, merging functionality with fashion in everyday baby care.

Join the conversation

Stay up to date

Get notified when I publish something new, and unsubscribe at any time.