A well-fitted cowboy hat is visible from across the room. And the first thing that gives away a poorly chosen hat is not the brand or the material: it is the size. Here is how to measure your head at home in two minutes, how to read American and Mexican hat sizes, and what to do if you land between two sizes.
Why size matters more than anything else
A hat that runs big dances in the wind, rests on your ears, and throws off your whole look. One that runs tight leaves a line on your forehead and gives you a headache within thirty minutes. No fine felt or tightly woven straw can make up for the wrong size. The good news: your measurement is a fixed number, and getting it at home is easy.
How to measure your head at home
- Grab a flexible sewing tape measure. If you do not have one, use a string or a cord and measure it against a ruler afterward.
- Wrap it around your head where a hat actually sits: about one finger above your eyebrows and just above your ears.
- The tape should sit snug but comfortable. Not loose, not digging in.
- Measure two or three times and keep the number that repeats, in centimeters.
Cowboy hat size chart
| Circumference (cm) | Circumference (inches) | US size | General size |
|---|---|---|---|
| 54 cm | 21 1/4 | 6 3/4 | S |
| 55 cm | 21 5/8 | 6 7/8 | S |
| 56 cm | 22 | 7 | M |
| 57 cm | 22 1/2 | 7 1/8 | M |
| 58 cm | 22 7/8 | 7 1/4 | L |
| 59 cm | 23 1/4 | 7 3/8 | L |
| 60 cm | 23 5/8 | 7 1/2 | XL |
| 61 cm | 24 | 7 5/8 | XL |
| 62 cm | 24 3/8 | 7 3/4 | XXL |
Inch conversions are approximate. When in doubt, go by centimeters: it is the most precise measurement and the one we use to confirm your size.
Why does my hat from Mexico say 57 and my American hat say 7 1/8?
Same head, two systems. In Mexico most brands stamp the size directly in centimeters (56, 57, 58). American brands use fractions (7, 7 1/8, 7 1/4), which come from dividing the circumference in inches by pi. With the chart above you can move between both systems with confidence.
What if I fall between two sizes?
Choose the larger one. A slightly roomy hat adjusts perfectly with a foam sizing strip inside the sweatband, a trick professional hatters use every day. A tight hat, on the other hand, has no comfortable fix. This applies to both felt and straw: neither stretches enough to gamble on the smaller size.
The final test when your hat arrives
- It should sit firm, about one finger above your eyebrows.
- One finger should fit between the sweatband and your forehead: snug, no pressure.
- Shake your head hard: the hat should not shift or fly off.
- Wear it for 15 minutes at home. No pressure on your forehead or temples means it is your size.
Ready for a new hat? Check our full size guide and find your next hat in our hats collection. The detail makes the cowboy, and the first detail is an exact fit.