Terms of use

Last updated 10 October 2026.

Using the tools

The tools are free to use for any lawful purpose. They are provided as-is: we try hard to make them correct, but you are responsible for checking results before relying on them.

Health information

Calculators such as the BMI calculator give general information only and are not medical advice. Talk to a qualified professional about your own situation.

Products

Each product has its own terms, published on its own site.

Content

Text and code on this site are © AIFERE unless stated otherwise. You may link to any page freely.