Hat Size Converter
Convert between US, UK, and EU hat sizes and head circumference in cm or inches. Includes a complete size reference chart for all standard hat sizes.
How to Use Hat Size Converter
The Hat Size Converter helps you find your hat size across US, UK, and EU sizing systems. Measure your head circumference (around the widest part of your head, about 1 inch above your eyebrows) and enter it in centimeters or inches. The tool finds the closest matching hat size in all three systems. A complete reference chart is also displayed showing all standard sizes from 6 5/8 to 8 (US). Perfect for online hat shopping across international retailers.
Step-by-Step Instructions
- Measure your head circumference above the eyebrows
- Enter the measurement in cm or inches
- Click Convert to find your hat size
- View US, UK, and EU sizes plus the reference chart
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