How many inches is a size 7 hat?

A US size 7 hat corresponds to a head circumference of approximately 22 inches (or 56cm).

Is 23 inches a large head?

23 inches (approx 58.5cm) is considered a Large to X-Large size in most hat sizing charts.

How tight should the tape measure be?

The tape should be snug but not tight. It should feel how you want the hat to feel on your head.

Convert Inches to Hat Size

Easily convert head measurement in inches to US, UK, and EU hat sizes. Simple calculator for accurate hat fitting.

Size Converter

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Converted Sizes

Reference Table

Complete size conversion chart

US	UK	EU	AU	JP
6 1/4	6 1/8	50	19.625	50	50	XS
6 3/8	6 1/4	51	20	51	51	XS
6 1/2	6 3/8	52	20.375	52	52	XS
6 5/8	6 1/2	53	20.75	53	53	S
6 3/4	6 5/8	54	21.25	54	54	S
6 7/8	6 3/4	55	21.625	55	55	S
7	6 7/8	56	22	56	56	M
7 1/8	7	57	22.375	57	57	M
7 1/4	7 1/8	58	22.75	58	58	L
7 3/8	7 1/4	59	23.125	59	59	L
7 1/2	7 3/8	60	23.5	60	60	LL
7 5/8	7 1/2	61	23.875	61	61	LL
7 3/4	7 5/8	62	24.25	62	62	3L
7 7/8	7 3/4	63	24.625	63	63	3L
8	7 7/8	64	25	64	64	4L

Frequently Asked Questions

📏 How to Measure Your Head

1. Proper Tape Placement

The most important step for an accurate fit:

Diagram showing proper head measurement for hat sizing: tape 1 inch above eyebrows and just above ears

Place tape about 1 inch (2.5cm) above eyebrows.
Ensure tape is just above your ears.
Keep the tape level all the way around.

2. Know Your Head Shape

Shape affects fit as much as size:

Diagram comparing Long Oval vs Round Oval head shapes

Long Oval: Longer front-to-back (most common).
Round Oval: More circular shape.
If you have a round head, you might need to size up.

💡 Fit Check: Tight vs. Right

Comparison showing correct vs incorrect hat fit

Comfort is key!

A hat should sit comfortably above your ears without leaving red marks on your forehead. It should be snug enough to stay on in a breeze, but loose enough to not give you a headache.

✓ Correct: Level, comfortable, no pressure
✗ Incorrect: Too high, red marks, headache

💡Quick Answer

Measure your head in inches. A measurement of 22 inches typically corresponds to a US size 7, while 23 inches is a US size 7 3/8. Use the calculator below for exact conversions.

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