4 size vs 4t Size – Difference and Comparison

What is 4 Size?

Here “4” in 4 sizes represents the age of kids. It may or may not fit a 4-year-old child, it depends on the height, and weight of the kid. If 4-size outfits don’t fit 4-year-old kids they may go for other alternatives like 5 size or 4t size based on the little one.

In 4 size clothes length of sleeves and pants are slightly longer as the children are growing constantly. To fit the growing kid the clothes are made a little longer in length. They don’t have adjustable waists as they don’t have a problem with the diapers.

The dress will also be a true fit like close to the body because extra space is not needed for a diaper as these big kids will be potty trained. 4 size clothes has buttons, belts, zips, and many more colours to make clothes look more attractive to the little ones.

The 4 size clothes are the smallest clothes available for 4-year-olds like XS in adults. The size that comes after 4 size is 5t size. There is no exact size for particular age group children, It differs at every Fashion Store and varies from country to country.

What is 4t Size?

Here “t” stands for a toddler. 4t size is for kids younger than 3 years( 24 Months) and also it relies on the size of the little one. 4t size attires are slightly wider because these little ones are not potty trained and wear diapers. If the little kids doesn’t fit 4t size, they may go for different alternatives in toddler’s clothes. Toddler’s clothing starts from 2t – 5t.

4t size clothes have alterable waist because the babies will wear diapers. An adjustable waist is given for a better fit. This adjustable waist is mostly made of elastic. These outfits are of a small size than 4t size clothes. 4t size clothes have smaller sleeves and pants than 4 size.

Most kids can wear both 4 size and 4t size because the difference is only a few inches. 4 size clothes fits babies of height 3.25 feet – 3.41 feet approximately and weight of 14 kg – 16 kg approximately. These clothes not really depends upon age, it depends on the kid’s size. The clothes will be little loose because tight clothes may give rashes to the little ones and breathing also becomes difficult for the kids.

Difference Between 4 Size and 4t Size

  1. 4 size clothes are for kids older than 3 years and 4t size clothes are for kids of age 24 months.
  2. 4 size clothes are for potty trained toddlers and 4t size is for kids who are not potty trained, Hence it needs more space for diaper.
  3. 4 size does not have adjustable waist but 4t size garments have adjustable waist.
  4. 4 size have longer sleeves and pant length but 4t size outfits have relatively shorter sleeves and pants because of the fact that they are infants.
  5. 4 size clothes fit closer to the body and have zips but 4t size clothes are little loose dosent have zips or other attachements.

Comparison Between 4 size and 4t Size

Parameters of Comparison4 size    4t size
    AgeOlder than 3 yearsYounger than 3 years
WaistNot adjustableAdjustable
Weight (approximately)16 kg -18 kg14 kg – 16 kg
Height (approximately)3.5 feet – 3.7 feet3.25 feet – 3.41 feet
Length of Sleeves and PantsLongerShorter


  1. https://www.researchgate.net/profile/Su-Jeong-Shin/publication/268687026_A_study_on_fitness_standard_sizing_systems_for_children’s_wear_in_the_United_States_and_South_Korea/links/54737cbf0cf245eb436db3a0/A-study-on-fitness-standard-sizing-systems-for-childrens-wear-in-the-United-States-and-South-Korea.pdf
  2. https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.0040125