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Free Crochet Hat Size Calculator
For Top-Down Hats

Use this Free Crochet Hat Size Calculator to find out the diameter of the circle you need to crochet for a top-down hat or beanie.

How To Use The Hat-Sizing Calculator

Here's how it works:

  1. Select the measurement type (either inches or centimeters),
  2. Enter the measurement of the head circumference,
  3. Click on the "Calculate Hat Size" Button.
Top-Down Crochet Hat Size Calculator

Top-Down Crochet Hat Size Calculator

And there you have it!

Now you know the diameter you need for your top-down hat.

Crochet a flat circle using increases until you reach this diameter, then stop increasing and simply work your rounds either in joined or continuous rounds (spiral).

How To Measure Other Crochet Hat Methods

To find out more information on how to measure other types of crochet hats (Bottom-up or side-to-side hats), you can check out this blog post.

How to measure crochet hats

Free Crochet Hat & Beanie Sizing Chart & Template

If you'd like to print out a Free Crochet Hat Sizing Chart & Template so you can measure your crocheted hat right away, feel free to download it by clicking the button below.

Crochet Hat & Beanie Sizing Chart + Template
Free Download

Free crochet hat sizing template

Please let me know if you have any questions in the comments below.

Happy hooking!


Hi. I'm May! Welcome to my Blog! Here you'll find easy crochet patterns, tutorials and simple crochet gift ideas you can offer your loved ones on special occasions.

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