A fitted hat size chart matches your head circumference to the correct cap size. You learn how to measure accurately and convert between inches and centimetres. You prevent returns and wasted money by choosing the right fit. Ready to measure and find your perfect fitted size?
What is a fitted hat size chart and why does it matter to you?
A fitted hat size chart translates head circumference into hat sizes. You get a reliable fit that stays comfortable and looks sharp. You avoid guessing and wasting money on the wrong cap. Do you want a quick, accurate method to pick the right fitted hat?
What are standard fitted hat sizes and how do they map to Measurements?
Use the New Era 59Fifty scale as a baseline. Sizes run from 7 (55.8 cm) up to 8 (63.5 cm). Common mid sizes include 73/8 (58.7 cm) and 71/2 (59.6 cm).
| Cap size | Inches | CM |
| 7 | 22 | 55.8 |
| 71/8 | 22 3/8 | 56.8 |
| 71/4 | 22 3/4 | 57.7 |
| 73/8 | 23 1/8 | 58.7 |
| 71/2 | 23 1/2 | 59.6 |
| 75/8 | 23 7/8 | 60.6 |
| 73/4 | 24 1/4 | 61.5 |
| 77/8 | 24 5/8 | 62.5 |
| 8 | 25 | 63.5 |
Use the table to convert your tape measure result to a fitted size. Do you prefer inches or centimeters when you measure?
How do you measure your head correctly?
Place a flexible tape measure across the middle of your forehead. Wrap the tape around your head about half an inch above your eyebrows and ears. Keep the tape straight and snug where the sweatband will sit. Record the measurement in either inches or centimeters. Use a string if you lack a tape, then measure the string with a ruler. Are you measuring more than once to confirm consistency?
What should you do if you fall between sizes?
Round up to the next size for comfort and ventilation. Choose the larger size when you wear thicker hairstyles or liners. Select the smaller size if you like a snug, performance fit and you wear thin hair. Do you plan to wear the hat for sport or casual wear?
What are common fitted hat variations you need to know?
59Fifty — classic full-profile fitted cap in set sizes. Low Profile 59Fifty — similar sizing but lower crown for a sleeker look. 39Thirty Stretch Fit — labelled small/medium ranges that use elastic to adapt. 9Fifty/9Forty — adjustable styles that use snaps or straps and avoid exact fitted sizes. Which fit appeals to your style: full crown or low profile?
Kids often wear XS/S or S/M ranges. Example head circumference ranges: XS/S ~ 20.3–20.87 in; S/M ~ 20.25–21.62 in; L/XL ~ 22–23.12 in. Measure a child the same way you measure an adult. Do you need a kids’ size chart adapted to age groups?
What fit tips help you choose the right hat model?
Try the model on or compare the brand’s sizing notes first. Remember that labeled CM may not match true head circumference exactly. Check sweatband material and construction for comfort. Factor additional layers like beanies or skullcaps when you choose a size. Do you want brand-specific adjustments or a universal cheat sheet?
What should you expect on price, returns, and brand differences?
Premium fitted caps use sewn panels and higher-grade sweatbands. Stretch-fit variants offer easier returns if you mis-measure. Retailers often allow exchanges when you provide accurate measurements. Do you track return policies before buying limited-edition caps?
FAQs
How do I know my fitted hat size?
Measure head circumference and use the conversion table above to find the fitted size.
How big is a 73/8 hat?
A 73/8 hat measures roughly 23 1/8 inches or 58.7 cm in head circumference.
What size is L/XL in fitted hats?
L/XL typically maps to about 22–23.12 inches head circumference depending on brand.
Is 54 cm a small head?
54 cm sits below New Era’s size 7 (55.8 cm) and often falls into kids’ or small adult fitted ranges.
Should I round up or down if between sizes?
Round up for comfort and down for a tighter performance fit depending on your preference.
Final thoughts
You improve fit and cut returns when you measure accurately. You should publish clear charts in both inches and centimetres and add brand-specific notes. You should offer a printable one-page chart and a mobile-friendly size converter to reduce buyer friction. Which is deliverable. Do you want first: printable chart, brand cheat sheet, or kids size table?
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