RingSizeChart is a ring size chart and converter for US, UK, EU, Swiss, German and Japanese sizes, with a string method, a ring-diameter method and a printable ring sizer — with no account.
It was built to be fast and private. There are no accounts and no uploads; every calculation happens in your browser. The site may be supported by unobtrusive advertising, which never appears inside the tool itself.
Spotted a bug or want a new feature? Get in touch.