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Contact TDEECalculator.tools

Have a question about the calculator, spotted something that may need correcting, or want to send feedback? Use the form below.

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What can you contact us about?

Calculator questions: Something about an input, result, or feature is unclear.
Corrections: You found a possible calculation, wording, source, or factual error.
Methodology: You have feedback about formulas, activity factors, assumptions, or how calculations are explained.
Technical issues: A page, calculator control, or result is not working as expected.
Privacy: You have a question or request related to information handled by the site.
Advertising or business: You have a legitimate advertising, licensing, or business inquiry.

Please do not send medical information

TDEECalculator.tools is an informational calculator website, not a healthcare provider. Do not include medical records, diagnoses, medications, account passwords, government identification numbers, or other sensitive information in your message.

Looking for calculation details?

Before sending a methodology question, you may find the answer in our explanation of equations, activity factors, conversions, assumptions, and calculator limitations.

Read our methodology →

Corrections and feedback are welcome

Clear reports help us investigate problems. If you are reporting a calculator issue, include the page involved, what you expected to happen, and what happened instead. For a factual or methodology correction, include the relevant passage or calculation and, when useful, a source we can review.

For information about how contact-form information may be handled, see our Privacy Policy. Use of the website is also subject to our Terms of Use.