The Useful Site

Suggest a Tool

Have an idea for a practical calculator or decision helper? Tell us what it should work out and why it would be useful.

No sign-up. No data stored. Just useful answers.

SectionEveryday Life
Last reviewed26 July 2026
Reading timeVaries by tool
Calculator dataInputs are not saved as calculator records

Tell us about your idea

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What makes a suitable tool?

The best suggestions perform a calculation or provide a practical decision that someone would otherwise have to work out manually.

Not every suggestion will be added, but every suggestion will be considered.

You can also email suggest@theusefulsite.co.uk.