SkeinMath

Legal notice

Last updated October 13, 2026.

Website owner

This information is provided under article 10 of Spanish Law 34/2002 on Information Society Services and Electronic Commerce (LSSI-CE).

Activity: publishing free calculators, charts and guides about knitting and crochet. The website is funded by advertising.

Terms of use

By using this website you agree to these terms. You can use the calculators, charts and guides for free for your personal projects, and print charts for your own use.

Results are calculated from the numbers you enter. Yarn, tension and patterns vary, so check results against your own gauge swatch and pattern before you buy yarn or cut anything. We work to keep every figure accurate and cite our sources, but we cannot guarantee that the content is free of errors. If you find one, please tell us at contact@skeinmath.com.

Intellectual property

The texts, calculators, charts, graphics and code of this website belong to the owner, unless stated otherwise. You may link to any page. You may not copy or republish the content without written permission. Brand names mentioned belong to their owners and are used only to identify their products.

Advertising

Ads on this website are served by Monetag (Propeller Ads Ltd) and only after you accept advertising cookies. We do not choose the individual ads and we are not responsible for the advertisers' products or websites. If you see an ad that seems misleading or inappropriate, send us the page address and a description of the ad.

Links to other websites

We link to other websites as sources or for further reading. We do not control them and are not responsible for their content or privacy practices.

Personal data and cookies

See the privacy policy and the cookie policy.

Applicable law

These terms are governed by Spanish law. If you use the website as a consumer, you keep the protection of the mandatory laws of your country of residence and can go to the courts that the law gives you.