Contact Us

We typically respond within 1–2 business days. During busy periods it may take up to 3 business days. If you have not heard back, check your spam folder — replies come from [email protected].

Yes — tool requests are always welcome. Select "Tool Request" in the subject dropdown and describe what you need and what problem it would solve. We review all requests and prioritize based on demand. Popular requests are often built within a few weeks.

Select "Error Report" in the subject field and include: the calculator name, the inputs you entered, the result you received, and what you expected instead. If you can cite the correct formula or a source, please include that too — it speeds up our review. Most confirmed errors are fixed within 24–48 hours.

Utilia currently runs Google AdSense ads placed below each tool. We do not accept sponsored calculator results, paid placements inside tool outputs, or affiliate links that could compromise the accuracy of our tools. If you have a legitimate editorial partnership inquiry, select "Partnership / Business" and we will review your message.

Your name, email, and message are used only to respond to your inquiry. We do not add you to a mailing list, share your data with third parties, or use it for marketing. See our Privacy Policy for full details.

Not currently. All tools run entirely in the browser and are intended for direct use on Utilia. If there is enough demand for embeddable calculators, this is something we may explore in the future. Use the contact form to let us know if this would be useful for your site or app.

Yes — the numerical results produced by our calculators are mathematical outputs of standard formulas and may be used freely. If you are citing a specific tool or our methodology in a publication or academic context, we ask that you reference Utilia and provide a link to the relevant page. For formal academic citation formats, most of our calculator pages include a "Cite" tab next to the embed code.

Use the contact form and select "Error Report" as the subject. Please include the URL of the specific page, the section with the error, and a brief description of what's incorrect and what the correct information should be, ideally with a reference or source. We review all correction requests and typically respond within 24–48 hours. Confirmed factual errors are corrected promptly.