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Size Converter
Size Converter
What is this tool?
A size conversion reference tool that maps clothing, footwear, kids', ring, and hat sizes across multiple regional sizing systems, including US, UK, EU, France, Italy, Australia, and Japan.
When to use it
- Shopping on an international retailer's website
- Buying a gift in a sizing system you're not familiar with
- Converting a shoe size from a US listing to the equivalent EU or UK size
- Checking a ring or hat size before ordering online
- Comparing kids' clothing sizes across regions when buying from abroad
How to use it
- 1Select the category you need: clothing, shoes, kids, ring, or hat.
- 2Choose the sizing system and size you already know.
- 3The tool instantly displays the equivalent sizes across the other supported systems.
- 4Switch categories or values any time to check another conversion.
Frequently asked questions
Are these conversions exact for every brand?
No. The tool uses standard size conversion charts. Individual brands can run slightly large or small, so check the seller's specific size guide when available.
Which categories does the converter support?
Clothing, shoes, kids' sizing, rings, and hats, across US, UK, EU, FR, IT, AU, and JP systems.
Can I convert a shoe size for kids specifically?
Yes, kids' sizing is included as its own category with its own conversion tables, separate from adult sizing.
Do I need to create an account to use this tool?
No. It's free to use with no sign-up required.