Terms of Use

By using OpenCalcHub, you agree to these terms. If you do not agree, do not use the site.

The service

OpenCalcHub provides free calculator tools for personal, non-commercial use. Results are for general information. They are not professional financial, medical, legal, or academic advice.

Accuracy

We aim for correct math, but tools are provided “as is.” Double-check important numbers. We are not liable for decisions made using results from this site.

Acceptable use

Do not misuse the site: no scraping that harms performance, no attempts to break security, and no illegal activity. We may limit access if abuse occurs.

Ads and third parties

The site may display third-party ads. Those partners have their own terms and privacy practices. See our Privacy Policy.

Changes

We may update these terms. Continued use after changes means you accept the updated terms. The “Last updated” date at the top will change when we revise this page.