Contact Us
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The best way to reach us is by email: contact@calculatorheaven.com.
Spotted a mistake?
Please tell us. It helps a lot if you mention which tool you were using, what you typed in, and the answer you expected to see. If you have a source for the right answer, such as a textbook or an official chart, include that too.
Missing a tool?
If you came looking for a converter or calculator and could not find it on the list of all our tools, let us know what you were trying to work out. Good ideas go on the to-do list.
Having trouble using the site?
Everyone should be able to use our tools, whether with a mouse, a keyboard, a screen reader or extra-large text. If something gets in your way, tell us which page and what happened so we can fix it.
Everything else
Questions about privacy, copyright, advertising or working together can go to the same address. Our privacy policy and terms of service cover how the site works.
One thing we cannot do
We are not able to give personal medical, nutrition or fitness advice, or interpret your results for you. Please take those questions to a doctor or another qualified professional.