# Hat Size Equation

### Divide the circumference by 314 the result is your hat size.

Hat size equation. The Snowy River is available in size 65 8⅛ and smaller. Brims can vary in style and size. Medium M One Size Fits Most.

First Measure Your Head Circumference To measure your head circumference take a sewing measuring tape or even a string and wrap around above the ears and across your eyebrows. Most of the Akubra Hats and many of the Tilley Hats we carry are offered in sizes 54 6¾ through 63 7⅞ with a number of hats available in size 64 8. Adult hat sizes range from 6 34 21 12 head to a 7 34 24 14 head and sometimes larger.

For a basic beanie your hat height should be. Hat Sizing Chart Head Circumference. You may need to factor in easement if your stitch pattern is particularly very stretchy or not much stretch at all.

Circumference of your head in inches π Test it out on a calculator. 2-3 extra is included in the numbers. Hat size Hat sizes are determined by measuring the circumference of a persons head about 1 centimetre 12 in above the ears.

21 circumference 314 669 diameter Just to clarify the diameter 669 in the above example is the length from one side of your circle to the other. Please stick your finger under the tape so there is a little room and there you have head circumference. If you wear a 7 14 take 725 314 and see if it matches the inches measurement on our hat sizing chart.

Every persons head size varies so there is no way to guess on a hat size. Usually these charts will list the measurements in centimeters and inches. Use that gauge number to determine which decrease row see below.

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