How to Measure Hat Size: A Comprehensive Guide

Hats are an essential accessory for many people, whether you’re trying to protect yourself from the sun or adding a stylish touch to your outfit.

However, getting the perfect fit for your hat can be a bit of a challenge, especially if you don’t know your hat size.

Fortunately, measuring your hat size is a straightforward process that you can easily do at home with just a few tools.

In this article, we will discuss everything you need to know about measuring your hat size, including why it’s important, the tools you’ll need, and step-by-step instructions on how to do it with hat size charts.

How to Measure Hat Size

Why is Measuring Your Hat Size Important?

Getting the right fit for your hat is crucial, as it can affect how comfortable it is to wear and how it looks on you.

If your hat is too small, it can cause discomfort and headaches, while a hat that’s too large can easily fall off your head or look awkward on you.

By measuring your hat size, you can ensure that your hat fits you correctly, making it comfortable to wear and looking great on you.

How Hats Are Measured?

Hats are measured by determining the size of the circumference of the head. To find the correct hat size, you need to measure the circumference of your head.

This can be done by using a tape measure and measuring the head just above the eyebrows, where the hat will be placed.

It is important to ensure that the tape measure is not twisted and is straight while taking the measurement.

By measuring the head circumference, you can determine the hat size that would be the most comfortable and fitting for your head.

What You’ll Need to Measure Hat Size?

Before you start measuring your hat size, you’ll need a few tools. Here’s what you’ll need:

  • A measuring tape
  • A mirror
  • A friend to help you (optional)

Step 1: Measure Your Head

The first step in measuring your hat size is to measure the circumference of your head.

Using a soft measuring tape, wrap it around the widest part of your head, which is usually about an inch above your eyebrows.

Make sure the tape is level and snug, but not too tight. Take note of the measurement in inches.

Step 2: Determine Your Hat Size

Once you have your head circumference measurement, you can determine your hat size using a hat size chart.

Hat sizes are usually measured in inches or centimeters and can vary depending on the brand and style of hat.

Hat Size Chart

Hat Size Chart for Adults

This chart is a guide for determining the size of a hat based on head circumference measurements.

The chart includes several different measurement units including Hat Size EU, Hat Size US, Hat Size UK, and Inches.

The chart also includes size recommendations for men’s and women’s hats.

Hat Size EU (cm)Hat Size USHat Size UKInchesMen’s HatsWomen’s Hats
536 5/86 1/220 7/8SmallSmall
546 3/46 5/821 1/4SmallSmall – S/M
556 7/86 3/421 5/8SmallSmall – S/M
5676 7/822MediumSmall – S/M
577 1/8722 1/2MediumMedium – M/L
587 1/47 1/822 7/8MediumMedium – M/L
597 3/87 1/423 1/4LargeLarge
607 1/27 3/823 5/8LargeLarge
617 5/87 1/224X-LargeX-Large
627 3/47 5/824 1/2X-LargeX-Large
637 7/87 3/424 7/8XX-LargeXX-Large
6487 7/825 1/4XX-LargeXX-Large
658 1/8825 5/8XX-LargeXX-Large

For example, if someone measures their head circumference and it comes out 22 inches, according to the chart, they would be a hat size 7 in the US, 6 7/8 in the UK, and 56 in the EU.

Hat Size Chart for Kids

Head Circumference (Inches)Head Circumference (cm)FittedEasy FittedStretch FittedKids
18 1/247Infant
19 3/849.26 1/8SInfant / Toddler
19 3/450.26 1/4SS/MToddler
20 1/8516 3/8S/MMToddler / Child
20 1/2526 1/2S/MMChild
20 7/8536 5/8LL/XChild / Youth
21 1/4546 3/4LL/XYouth
21 5/8556 7/8XLL/XYouth

Note that the sizing may vary slightly between manufacturers and hat styles, so it is always important to try on hats to find the best fit.

Step 3: Try on Different Hats

Now that you know your hat size, it’s time to try on different hats to see which style and fit suit you best.

Make sure to try on hats that are the correct size for your head, as well as hats that are slightly larger or smaller to see if they feel more comfortable or flattering.

Step 4: Adjust Your Hat

If your hat feels too tight or too loose, you can adjust the fit using the hat’s sizing tape or by adding or removing padding.

Most hats come with a sizing tape on the inside of the sweatband that can be adjusted to make the hat tighter or looser.

If the hat is too loose, you can add padding to the inside of the sweatband using foam inserts or a hat filler.

Step 5: Care for Your Hat

Now that you’ve found the perfect hat, it’s important to take care of it to ensure it lasts as long as possible.

Follow the care instructions on the label and avoid exposing your hat to extreme temperatures or moisture.

If your hat gets wet, reshape it while it’s still damp and allow it to air dry.

Get Hat Size Charts

Hat Size Chart for Adults
How to measure Hat Size - Hat Size Chart for Kids

Tips for Measuring Your Hat Size

Here are some additional tips to keep in mind when measuring your hat size:

  • Make sure your hair is styled the way you would wear it with your hat before measuring your head.
  • If you’re measuring your head alone, use a mirror to make sure the tape is level and snug.
  • If you have a friend to help you, have them hold the tape measure in place for a more accurate measurement.
  • Take your time and make sure the tape measure is straight and level around your head.
  • Consider measuring your head multiple times to ensure accuracy.

Popular Hats for Males, Females, and Children

These are just a few examples of popular hats for males, females, and children. It’s always a good idea to explore different options and find the best hat for your personal style and needs.

For Males:

  1. Fedora
  2. Trilby hat
  3. Panama hat
  4. Newsboy cap
  5. Cowboy hat
  6. Bowler hat
  7. Top hat
  8. Bucket hat
  9. Boater hat
  10. Homburg hat

For Females:

  1. Sun hat
  2. Beret
  3. Cloche hat
  4. Fascinator
  5. Turban
  6. Pillbox hat
  7. Straw hat
  8. Bucket hat
  9. Floppy hat
  10. Breton hat

For Children:

  1. Beanie
  2. Bucket hat
  3. Sun hat
  4. Bonnet
  5. Cowboy hat
  6. Straw hat
  7. Floppy hat
  8. Boater hat
  9. Earflap hat
  10. Visor beanie


In conclusion, measuring your hat size is a simple process that can ensure a comfortable and well-fitting hat.

It is important to use a flexible tape measure and take the measurement around the widest part of your head, just above your eyebrows. This will help you find the correct hat size that will provide comfort and stability.

Additionally, it is essential to consider the style and purpose of the hat before purchasing it. Knowing how to measure your hat size will help you find the perfect hat to complement your outfit or provide the necessary protection from the elements.

With this comprehensive guide, you can confidently measure your hat size and choose from a wide variety of hat styles and designs that cater to your needs and preferences.