12 vs.18 vs. 24 Month Baby Clothes: Major Brands Compared

The age of the baby determines baby clothes sizes. 12-month garments fit babies from 9 to 12 months, and 18-month clothes are for babies from 12 to 18 months.

24-month clothes are designed for 18-24 months old babies.

What Size is 12 Months?

12-month clothes are designed to fit babies who weigh 17-22 pounds and are 27-29 inches tall. They usually have more room in the body and arms to accommodate crawling and early walking.

Here are some standard clothing sizes that correspond to 12 months.

• 12 months
• 9-12 months
• 6-12 months
• 70 (European sizing)

It’s essential to remember that babies grow at different rates, so not all babies who are 12 months old will fit perfectly into 12-month clothing. Some may still fit into 9-12 month clothing, while others may already be ready to move up to 18-month clothing. It would be best to try clothes on your baby or measure them to ensure the best fit.

What Size is 18 Months?

18-month clothes are designed to fit babies who weigh 22-27 pounds and are 29-31 inches tall. They may have a slightly slimmer fit and shorter sleeves and legs to accommodate more mobile babies who are crawling and walking. These clothes have fun and playful designs with cartoon characters, animals, and shapes.

Some clothing sizes that correspond to 18 months are;

• 18 months
• 18-24 months
• 18-20 months
• 80 (European sizing)

What Size is 24 Months?

24-month clothes are designed to fit babies weighing 27-30 pounds and weighing 31-33 inches tall. They may have a more fitted design with shorter sleeves and legs to accommodate active toddlers.

These have more mature designs, such as solid colors or patterns with less focus on cartoon characters.

Following are some common clothing sizes that correspond to 12 months.

• 12 months
• 9-12 months
• 6-12 months
• 70 (European sizing)

Is 12-Month Clothing the Same as 1T?

1T sizes are slightly larger than 12-month baby clothes, featuring long sleeves, pants, and a slimmer waistline.

The sizing for toddler clothing can vary, so it’s good to check the specific measurements the retailer provides before purchasing clothes for your toddler.

Is 12-18 Months Size the Same as 12 Months?

If you see baby clothes labeled as 18 months, you can expect them to be appropriate for babies from 12 to 18 months old.

If you’re shopping for your little one and come across both 18-month and 12-18 month options, you can assume they are generally the same size.

Is 24 Months the Same as 2T?

While 24 months and 2T may sound like they’re in the same size range, they are different. 2T clothing is designed for toddlers who weigh 30-32 lbs and are 33.5-35 inches tall, while 12-18 month clothing is for babies who are generally lighter and shorter.

Additionally, 2T clothing is made with toddlers in mind, so you can expect a different style and fit than what you’d find in 24-month clothing.

Table Summarizing the 12 Month Clothing Size in Various Stores

Note that some stores only label this size as “12 months”, while others specifically use the “9-12 months” label. Both of these are the same.

Table Summarizing the Size Guidelines for 18-Month Clothing at Various Stores

Table Summarizing the Size Guidelines for 24-Month Clothing at Various Stores

How do 12 vs. 18 vs. 24 Months Clothing Sizes Compare to Other Countries?

The sizing of baby clothes can vary across different countries. While no universal standard for baby clothing sizes exists, most countries follow their own size charts. Here is a general comparison of 12, 18, and 24 months clothing sizes in some countries.

United States

• 12 months: Height of 28-30 inches, Weight of 21-24 lbs
• 18 months: Height of 30-32 inches, Weight of 25-27.5 lbs
• 24 months: Height of 32-34 inches, Weight of 27-31 lbs

Europe

• 12 months: Height of 74 cm, Weight of 9-11 kg
• 18 months: Height of 80 cm, Weight of 11-12.5 kg
• 24 months: Height of 86 cm, Weight of 12.5-13.5 kg

Japan

• 12 months: Height of 80 cm, Weight of 10 kg
• 18 months: Height of 85 cm, Weight of 11 kg
• 24 months: Height of 90 cm, Weight of 12 kg

When should you Start Looking for Toddler-Size Clothing?

Considering toddler-size clothing for your baby is a personal decision that depends on their growth and development. However, in general, it’s recommended to start exploring toddler sizes when your baby is becoming more mobile and active, which can be around 12 months of age or later, usually around 18-24 months.

Toddler-size clothing is designed to fit the proportions of walking and exploring children with longer legs and a slimmer waist. This type of clothing is also designed to look more like small child clothing than baby clothing.

Pay attention to your baby’s growth and movement, and when you notice that their current clothing is becoming too snug, it may be time to start considering toddler sizes.

How to Choose between 12, 18, and 24 Months Clothing Sizes?

When choosing clothing sizes for your baby, there are a few things to remember to ensure the best fit.

One crucial factor is to check the measurements provided by the manufacturer or retailer and compare them to your baby’s measurements.

Consider your baby’s weight, height, season, and climate when selecting clothing sizes. Remember that babies grow quickly, so while it may be tempting to size up for more extended wear, clothing that is too big can be uncomfortable and pose a safety risk.

Final Verdict

Choosing the right size of clothing for your baby can be challenging, especially when transitioning from baby sizes to toddler sizes.

In general, 12-month clothing is designed to fit babies who weigh around 20 pounds and are 28-30 inches tall, while 18-month dress for around 24 pounds & 30-32 inches tall. 24-month clothing is designed for toddlers who weigh about 28 pounds and are 32-34 inches tall.