By accessing and using STR Numbers, you agree to these terms.

Use of calculators

Our calculators are free and for informational purposes. You may use them for personal, non-commercial purposes. You may not:

Scrape or automatically extract data from our site
Reproduce or redistribute our calculators without permission
Use our tools in any way that could damage or overload our systems

Disclaimer of warranties

We provide this site and its tools "as is," without warranties of any kind. We do not guarantee the accuracy, completeness, or usefulness of any calculations or information.

Limitation of liability

STR Numbers and its creators shall not be liable for any direct, indirect, incidental, consequential, or punitive damages arising from your use of this site or reliance on its calculations.

Intellectual property

STR Numbers owns all content, design, and code on this site. You may not copy, modify, or distribute our content without permission.

Changes to these terms

We may change these terms at any time. If you keep using the site after a change, you accept the updated terms.

Governing law

The laws of the United States govern these terms.

Last updated: January 2026