Terms of use

Educational use only

The calculators and articles are general educational information. They are not medical, dietetic, diagnostic or professional advice, and you remain responsible for decisions you make about your own eating and training. Read the medical disclaimer in full.

Acceptable use

• Do not attempt to disrupt, overload, probe or gain unauthorised access to the site or its infrastructure.
• Do not scrape at a rate that degrades service for other people, and do not republish our content wholesale.
• Do not present our estimates as personalised professional advice to other people.

Intellectual property

The text, layout, code and design of this site belong to VELOFITZONE. The underlying equations are published science and belong to their authors, cited on our methodology page. You may quote short passages with a link and attribution.

Availability and changes

We may change, suspend or withdraw any part of the site, and we update content as sources change. Nothing here guarantees uninterrupted availability or that content is complete at the moment you read it.

No warranty and limits of liability

The site is provided “as is” without warranties of accuracy, fitness for a particular purpose or non-infringement. To the fullest extent permitted by law, we are not liable for loss arising from reliance on an estimate produced here. Nothing in these terms limits liability that cannot lawfully be limited, including for death or personal injury caused by negligence, or for fraud.

Third-party links and advertising

We link to sources and occasionally to products. We do not control third-party sites and are not responsible for their content or their privacy practices. Adverts, where present, are labelled and never placed inside a calculator form or between the calculate button and your result.

Governing terms

These terms are governed by the laws of England and Wales. If any provision is unenforceable, the remainder continues to apply. Questions: contact us.