Terms of Service

Last updated: March 21, 2026

Use of service

NumberCalcs provides free online calculators for educational and informational purposes. You may use the calculators for personal, educational, or commercial purposes.

Accuracy

We make every effort to ensure our calculators produce accurate results. However, we provide these tools "as is" without warranty of any kind. You should verify important calculations independently. Do not rely solely on our calculators for critical decisions.

Intellectual property

The content, design, and code of NumberCalcs are protected by copyright. Mathematical formulas and statistical methods themselves are not proprietary — they belong to everyone.

Limitation of liability

NumberCalcs and its creators shall not be liable for any damages arising from the use of this website or its calculators. This includes but is not limited to direct, indirect, incidental, or consequential damages.

Changes

We may update these terms at any time. Continued use of the site after changes constitutes acceptance of the new terms.

Contact

Questions? Open an issue on our GitHub repository.