Contact
Found a bad formula, broken page, or something that does not add up? This is the place to fix it.
What To Send
The most helpful messages are specific. If a calculator looks wrong, include the page, the values you entered, the result you got, and what you expected instead. If a page is broken, include the device or browser if you can. If a trade reference looks outdated, say what standard or source you think it should match.
What This Helps With
Use this page for formula corrections, unit conversion issues, typo fixes, broken links, missing calculators, mobile layout problems, and anything else that makes the site less useful in the field.
Best Kinds Of Feedback
The strongest feedback is practical and testable. Good examples include a wrong result on a known formula, an input label that is unclear, a page that breaks on a specific screen size, or a reference chart that conflicts with a credible standard or published specification. Those are the kinds of issues that materially improve the site.
Suggestions Are Welcome Too
If there is a calculator you use regularly and cannot find here, that is useful to know. Requests for new tools, stronger trade coverage, better related links, cleaner mobile layouts, or more useful reference charts all help shape where the site should improve next.
What To Include In A Report
Include the page URL, the calculator name, the values used, and a short explanation of the problem. If the issue is visual, a screenshot helps. If the issue is technical, include the browser or device when possible. That reduces guesswork and makes it much easier to verify the problem quickly.
Current Contact Setup
This page is the site’s contact placeholder until a dedicated form or support email is added. If you are maintaining the project before launch, this is the page to replace once the real contact channel is finalized. Until then, the copy is structured around the kinds of issues this page is intended to handle.
What This Is Not For
This is not a support line for urgent safety, engineering, code, or inspection questions. If a decision affects life safety, structural performance, electrical compliance, or permit approval, use the applicable professional, inspector, or manufacturer guidance instead of waiting on site feedback.