Terms of use

By using hopi.co.uk you agree to these short and reasonable terms. Last updated: August 2026.

Use of the tools

All tools are free for personal and commercial use. You may not scrape, republish or resell the site's content or pass it off as your own.

Accuracy and no advice

We take real care to keep formulas, rates and results correct, and each page shows its working so you can verify it. Even so, results are provided for general information only and may contain errors. Nothing on this site is financial, tax, legal, medical or other professional advice. For decisions that matter (tax returns, mortgages, contracts, health), check the numbers with the relevant official source or a qualified professional.

Liability

To the fullest extent permitted by law, hopi.co.uk accepts no liability for loss or damage arising from use of the site or reliance on its results. The site is provided as is, without warranties of any kind, and may change or be unavailable at any time.

Third-party links and advertising

Pages may link to external sites (such as gov.uk) and carry advertising served by third parties. We are not responsible for the content of external sites or the products advertised.

These terms

These terms are governed by the law of England and Wales. If we update them, the new version applies from the moment it is published on this page.