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Contact us
Questions, corrections or ideas for new tools? Send us an email and we'll reply as soon as we can.
We usually reply within a few working days.
What to include
- Reporting a mistake: tell us the page, the weight you entered and the result you expected.
- Suggesting a tool: describe what you'd like to convert or calculate.
- Business enquiries: include your name and organisation.
Please don't send medical questions. We can't give health advice. For questions about your weight or health, speak to your GP or a pharmacist, or visit nhs.uk.
When you email us, we use your email address and message only to reply. See our privacy policy for details.