Calculator200.com is committed to accuracy, transparency, and accountability. When we make errors — in calculator formulas, interest rates, statistical data, or editorial content — we correct them promptly and transparently.
All calculator tools and accompanying content on Calculator200.com are:
Minor corrections (typos, formatting, grammar): Fixed silently, no notation required unless the error affected meaning.
Factual corrections (wrong rates, incorrect formulas, outdated statistics): We update the content, add a visible correction notice at the bottom of the page in the format: "Correction [Date]: [Description of what was corrected and why]", and update the dateModified field in our schema markup.
Major corrections (formula errors affecting calculator outputs): We update the calculator immediately, add a prominent correction notice at the top of the page, update the schema, and notify users via our update log.
Financial rates (mortgage rates, interest rates, tax brackets) and health guidelines change regularly. When underlying data changes:
If you find a factual error, outdated data, or incorrect calculation on any page, please contact us: