Head sizes by age groups and how to determine or measure your head size and find a hat fit the best (2024)

Average Adult Head Sizes in Australia

According toWikipedia, one study in the United States shows, the average adult head circumference to be 55cm (2134) in females and 57cm (2212in) in males. Another study conducted in UK shows a slightly different result: with the average female head size being 55.2cm and the average male head size being 57.2cm.

This figure varies slightly different in Australia as well due to itsdifferent race/ethnicity mix.According to our experience in serving the Australian market, theaveragehead size in Australia being 57cm for women and 58cm for men.

Head sizes can be different from person to person. Please make sure you measure your head size to ensure the best fit of your hats. For a comfortable fit, please purchase a hat which is 0.5 to 1cm larger than your head size.

Head sizes by age groups and how to determine or measure your head size and find a hat fit the best (1)

Kids Head Size Chart

The following chart only gives you an indication for children’s headaveragesizes for different age groups. As it says, “each child is different” and “measure twice cut once”, please make sure you measure the child’s head size to ensure a good fit. To purchase a hat 0.5 to 1cm larger than the child’s head size for a comfortable fit.

Head sizes by age groups and how to determine or measure your head size and find a hat fit the best (2)

How to determine your head size?

Use a soft tape and place the tape firmly around your head. If you have no soft tape, just use a string and measure the string with a ruler.

To determine head circumference, measure around the largest part of the head around where you would like the hat to sit. Sometimes you might have to measure your crown height or length too. Please click on the following image to view our guide on How to SelectA HatThat Fitsfor Your Head Circumference.

Head sizes by age groups and how to determine or measure your head size and find a hat fit the best (2024)

FAQs

How do you know your head size for a hat? ›

To get your size, measure comfortably around your head where your cap will sit, with a tape measure. Take that number in inches, divide by 3.14 (pi) and round up to the nearest eighth. This is your cap size. See the chart for size conversions.

What size hat for 21.5 inch head? ›

Determine Hat Size
Measurement in InchesHat SizeEuropean Size
21 1/26 7/8 - S55
21 7/87 - M56
22 1/47 1/8 - M57
22 5/87 1/4 - L58
5 more rows

What is the average head size for a 12 year old? ›

1(B)). Considering changes of the averaged head circumference from 51.5 cm in 8-years-old children to 53.2 cm in 12-years-old children [36] , we estimated the measurement inconsistency across participants was in the range of 0.09 cm (i.e., [(53.2-51.5)/53.2] × 3 cm; 3cm is the S-D separation). ...

How do you measure a child's head size? ›

Wrap the tape snugly around the widest possible circumference - from the most prominent part of the forehead (often 1-2 fingers above the eyebrow) around to the widest part of the back of the head. Try to find the widest way around the head. Remeasure 3 times, and take the largest number.

What size should my head be? ›

According to Wikipedia, one study in the United States shows, the average adult head circumference to be 55cm (21 3⁄4 ) in females and 57cm (22 1⁄2 in) in males. Another study conducted in UK shows a slightly different result: with the average female head size being 55.2 cm and the average male head size being 57.2 cm.

What size head does a 10 year old have? ›

How to measure: 1, 2, 3 steps
Hat Circumference
AgeCMInches
3–5 years53cm20.50"
6–8 years55cm21.50"
8–10 years57cm22.50"
4 more rows

How big is the head of a 12 year old? ›

Head Size Chart
AgeSize in inch
10 - 12 years20.5 - 22 in
Teenager20.5 - 22 in
Men21.5 - 22.5 in
Women23 - 24 in
5 more rows
Jun 12, 2022

What is a normal size for a 12 year old? ›

What is Normal Growth for a Child?
AgeHeight Females in InchesWeight Males in Pounds
1255 to 6466 to 130
1459 to 67.584 to 160
1660 to 68104 to 186
1860 to 68.5116 to 202
7 more rows

What determines head size? ›

Environmental conditions and exposures heavily influence human head size. Nevertheless, the high degree of heritability of this trait suggests the importance of genetic factors as well.

At what age is a child's head full size? ›

Representative generalizations are: 1. The average North American white child attains 30% of adult head width by the middle of prenatal life, 60% by birth, 80% by 6 postnatal months, 90% by 3 years and 95% by 9 years.

At what age should head circumference be measured? ›

Your baby's doctor will measure and chart your baby's head circumference from birth through 2 years of age.

How to know hat size without measuring? ›

Wrap a length of string around your head.

Place 1 end of the string in the middle of your forehead, and wrap it around your head. You want the string to rest about 0.5 inches (1.3 cm) above your ears, right where you'd like the hat to sit on your forehead. This can also be done with a sewing tape measure.

What size is 7.5 in hats? ›

So a S/M hat would fit heads with measurements of 21 inches to 22 1/2 inches, or hat sizes 6 3/4 to 7 1/8. A L/XL (Large through Extra Large) hat would fit measurements just over 22 1/2 up to 24 inches, or hat size 7 1/4 to 7 5/8. If a hat does not list sizes, it is a 'one-size-fits-most' hat.

Is my head small, medium, or large? ›

Hat Size Chart
If your Head circumference is:Then your hat size is
21 5/8"55 cmSmall (S)
22"55.9 cmMedium (M)
22 3/8"56.8 cm
22 3/4"57.8 cmLarge (L)
8 more rows

How do you tell if a hat is too small for your head? ›

Too small, and your hat will sit awkwardly high on you head or feel uncomfortably tight. Too large, and it'll sit too low, with visible extra space around the edges—not the look you're going for.

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