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Head Size Chart Icon

Head Size Chart

Ensure the perfect fit for your crochet and knit hats with our comprehensive head size standards chart. From preemie to adult sizes, find the ideal measurements to create comfortable and stylish headwear for everyone.

Head measurements diagram
SIZE
CIRCUMFERENCE
HAT HEIGHT
Preemie
12" {31cm}
4.5" {12cm}
Baby
16" {41cm}
6" {15cm}
Toddler
18" {46cm}
6.5" {17cm}
Child
19" {48cm}
7" {18cm}
Tween
20" {51cm}
7.5" {19cm}
Small
21" {53cm}
8" {20cm}
Medium
22" {56cm}
8.5" {22cm}
Large
23" {59cm}
9" {23cm}
X-Large
24" {61cm}
9.5" {24cm}
  1. Circumference: Place a tape measure around the circumference of the head. Keep the measuring tape level and snug against the forehead.

  2. Hat Height: The charts measurements provide a guide for beanie-style hats. To customize your fit, measure from the crown's peak to your desired hat length.

 

This chart shows average head sizes. To ensure a snug fit, hats are typically knit with negative ease, meaning the finished hat will be smaller than the head. Aim for 10-20% smaller than the head circumference listed, but always check your gauge and consider the stretchiness of your yarn.

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