Table of contents:
- Why is measuring your baby's head circumference essential?
- How to easily measure a baby's head circumference?
- Tip: adjust the measurement according to body shape
- Size conversion chart (in cm)
- Adapt your choice according to the season
- Common mistakes to avoid
- Choosing the right hat: expert tips
- Following your baby's growth
- FAQ
Choosing the right hat for a baby can quickly become a headache for parents. Between sizes, styles, and the rapid development of each child, it is essential to know their head circumference. A poorly fitted hat can slide off, feel too tight, or simply not provide proper protection.
Here is a complete, clear, and practical guide to help you understand how to measure, interpret the results, and choose the right hat size for your kid, from birth up to several years old.
Why is measuring your baby's head circumference essential?
A baby's head circumference evolves very quickly, especially during the first few months. At birth, the size can vary significantly from one child to another, and this difference continues with age.
A suitable hat must:
- cover the head properly
- protect the back of the neck
- stay firmly in place without compressing
This is why taking an accurate measurement in centimeters is essential for choosing the right fit!
How to easily measure a baby's head circumference?
You don't need to be an expert to correctly measure your child's head. With a simple flexible tape measure (or a piece of string + a ruler), you can obtain reliable data.
Simple steps to follow
- Place the tape around your baby's head
- Pass it well above the eyebrows (about 1 cm)
- Go around, passing slightly above the ears
- Make sure the tape is level, without pulling it too tight
- Note the measurement in centimeters
Repeat this 2 to 3 times to be sure of the result.
Tip: adjust the measurement according to body shape
Every kid has a different body shape. Some will have a rounder head, others more elongated. This directly influences your choice.
For example:
- a slim head may require a fitted model
- a larger head will require a bit more room
In any case, it is better to prioritize a slightly adjustable hat.
Size conversion chart (in cm)
To help you navigate the dimensions of Ki ET LA products based on head circumference and age, you can refer to the information below:
| Age | Head circumference (cm) |
|---|---|
| 0-6 months | 42 - 45 |
| 6-12 months | 46 - 49 |
| 1-2 years | 49 - 51 |
| 2-4 years | 51 - 53 |
| 4-7 years | 53 - 55 |
| 7-12 years | 55 - 57 |
Adapt your choice according to the season
Selecting an anti-UV hat also depends on the season:
In summer (sun)
- prioritize light materials
- ensure good UV protection (UPF50+)
- cover the back of the neck with wide-brimmed hats like the camper hat
In winter
- opt for warm materials
- protect against wind, rain (or snow)
- check that the hat covers the ears well
Common mistakes to avoid
Be careful, some mistakes are common:
- choosing a size based solely on age
- not taking into account rapid growth
- forgetting to measure regularly
A baby can change sizes in just a few months. Therefore, it is important to check regularly.
Choosing the right hat: expert tips
- always measure the head circumference in cm
- follow the brand's size guide
- prioritize adjustable models
- check the coverage of the neck and head
- adapt the style to the use (school, walk, beach...)
You must also consider comfort. An uncomfortable hat will quickly be taken off by the child.
Following your baby's growth
The evolution of head circumference is rapid, especially between 0 and 2 years. Afterward, it slows down gradually.
Here is an idea of average progression:
- 0 to 6 months: rapid evolution
- 6 to 12 months: steady evolution
- after 1 year: slowing down
Hence the importance of measuring regularly.
FAQ
- What hat sizes are available for babies? They generally vary from 0 to 4 years and up. They are expressed in cm, corresponding to the head circumference. Each size corresponds to an indicative age range.
- Are the sizes the same for hats, caps, and bucket hats? At Ki ET LA, we offer anti-UV bucket hats from 0 to 12 years old. However, we offer caps starting from 2 years old and camper hats and camper caps from 0 to 4 years old. Regardless, the sizing (head circumference) remains the same.









