Contact us
Got a question, spotted an issue, or want to suggest a new calculator? Send us a message and we’ll get back to you.
Tip: For the quickest reply, include the page name or calculator you were using.
Send a message
Use the contact form below to get in touch. This site provides free online calculators for money, health, cooking and everyday conversions, and we are always improving accuracy and usability.
Common questions
I don’t see my email reply, what should I check?
Check your junk or spam folder. Some contact form replies can be filtered. If you still cannot find it, send your message again with an alternative email address.
Can you add a new calculator?
Yes. If you have an idea, tell us what you want to calculate and what inputs you would expect.
Do you store my message?
Messages are only used to respond. For more detail, see our Privacy & cookies page.
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