Question 1

How do I measure my hat size?

Accepted Answer

Measure head circumference above ears and eyebrows. US sizes are in 1/8 inch increments.

Question 2

What is the average hat size?

Accepted Answer

Men average 7-7.5 (56-60 cm). Women average 6.75-7.25 (54-58 cm).

Question 3

Is this conversion mathematically exact?

Accepted Answer

Yes, this converter uses precise conversion factors based on international standards. Results are accurate to the displayed precision.

Question 4

Can I use this for professional applications?

Accepted Answer

This converter is suitable for educational and general purposes. For critical professional applications, always verify with authoritative sources.

US Hat Size to CM Converter

Frequently Asked Questions