What are UK baby sizes?
Christopher Davis
Published Mar 04, 2026
What are UK baby sizes?
Clothes Size Chart
| Age Range | Child’s Height (in inches) | U.K. Size |
|---|---|---|
| Preemie | Below 22 | |
| Up to 3 Months | 22–24 | 0–3m |
| 3–6 Months | 24–27 | 6m |
| 6–9 Months | 27–29 | 9m |
What is the size chart for babies?
Baby Clothing
| Size | Weight | Height |
|---|---|---|
| Preemie | up to 6 lbs / up to 2.7 kg | up to 17 in. / up to 43 cm |
| Newborn | 6-9 lbs / 2.7-4.1 kg | up to 21.5 in. / up to 55 cm |
| 0 to 3 months | 9-12.5 lbs / 4.1 – 5.7 kg | 21.5 – 24 in. / 55 – 61 cm |
| 3 to 6 months | 12.5 – 17 lbs / 5.7 – 7.7 kg | 24 – 26.5 in. / 61 – 67 cm |
Are UK and US baby sizes the same?
The American, British and Australian sizes are based on the age of the child, while in Europe the size is based on the child’s height in centimeters. Some US sizes include a “T”, which stands for toddler.
What size is 2 UK child?
Children’s Shoe & Slippers Size Chart
| UK | EU | Standard Foot Length |
|---|---|---|
| 1 | 33 | 20cm 7.8″ |
| 2 | 35 | 20.9cm 8.2″ |
| 3 | 36 | 21.5cm 8.5″ |
| 4 | 37 | 22.6cm 8.5″ |
What size is for a 1 year old?
The average length of a baby boy at six months is approximately 26 1/2 inches (67.6 cm) and a baby girl is about 25 3/4 inches (65.7 cm). At one year, boys are around 29 3/4 inches (75.7 cm) and girls average 29 inches (74 cm).
What size is 164 EU?
European Children’s Clothing Size Guide
| EU size (height in cm) | UK size (approximate age) |
|---|---|
| 146 | 11/12 years or 11 years |
| 152 | 12/13 years or 12 years |
| 164 | 14/15 years or 14 years |
| 176 | 16/17 years or 16 years |
Can you put a newborn in 0-3 month clothes?
Yep, “newborn” fits a wide range of sizes, so chances are your baby will fit into it at birth. If she’s a big baby or hits an early growth spurt, you can exchange any extras for the next size up: 0 to 3 months, which usually fits babies anywhere between eight to 12.5 pounds.
Are 0-3 and 3 months the same?
Most newborn outfits will fit for a week or two at best unless you have a premie or tiny baby but like PP (previous poster) said, 0-3 is usually about the same as 3 month. Things like onesies differ greatly depending on brand. Gerber onesies that come in plastic packs of 3 or 5, for example, look TINY.
What size is a 6 month old baby?
Baby Length (Height) The average length of a baby boy at six months is approximately 26 1/2 inches (67.6 cm) and a baby girl is about 25 3/4 inches (65.7 cm). At one year, boys are around 29 3/4 inches (75.7 cm) and girls average 29 inches (74 cm).
What size is an 18 month old baby?
18-month-old weight and height According to the World Health Organization, average weight of an 18-month-old is 23.4 pounds for girls and 24.1 pounds for boys. Average height of an 18-month-old is 31.8 inches for girls and 32.4 inches for boys.
What is the difference between size 13 and 1?
Shoes for bigger kids start at size 1 and run up to 7, creating the confusing fact that a size 1 shoe (in big kids’ sizes) is the next size up from a size 13 shoe (in little kids’ sizes). The variety of terms you’re likely to see include, baby, walker, toddler, little kid, big kid and youth.
What shoe size is 19cm UK?
– Download a foot size chart (EU sizes) by clicking here
| Eu | UK | lengTH |
|---|---|---|
| 28 | 10 | 17.6 cm / 6.9″ |
| 29 | 11 | 18.3 cm / 7.2″ |
| 30 | 12 | 19 cm / 7.5″ |
| 31 | 12 1/2 | 19.6 cm / 7.7″ |
What is the average weight for a 4 – year – old girl?
Normal height and weight can be estimated using the fifth to 95th percentile rankings from growth charts, such as found at KidsGrowth.com. The normal weight for a 4-year-old boy or girl is from 27 to 50 pounds. The normal height for a 4-year-old boy or girl is from 37 to 46 inches.
What is the average weight of a 3 month old boy?
At three months of age a baby boy should weight about 6.4 kg, or 14.1 lbs. A female baby should weigh 5.8 kg or 12.8 lbs. These weights are concurrent with the 50th percentile weights on most doctor charts used to chart infant growth.
What is the avereage weight of a 2-month-old girl?
Your baby’s weight at this point is well above her initial birth weight. A 2-month-old baby boy, on average, will weigh just over 11 pounds, and the average baby girl will weigh about 10 1/2 pounds.
How much should a 15-month-old baby weigh?
According to the World Health Organization, the median weight for a 15-month-old is 21.2 pounds for girls and 22.7 pounds for boys. Median height is 30.5 inches for girls and 31.2 inches for boys.
