Effective Date: April 9, 2026
By using this website or the constants.info iOS application, you agree to these Terms of Service. If you do not agree, do not use the service.
You may submit material constants and optional contact information. By submitting data, you represent that:
- The values are accurate to the best of your knowledge.
- You have the right to reference the source(s) provided.
We do not verify the accuracy of submissions. Use the data at your own risk.
No Warranty: The material constants and other information on this website are provided "as is" without warranty of any kind. We do not guarantee their accuracy, completeness, or reliability.
Limitation of Liability: In no event shall constants.info or its administrators be liable for any damages arising from the use of this website or its content.
The material constants themselves are facts of nature and not subject to intellectual property rights. The sources referenced may be protected by copyright or other rights. Users are responsible for complying with any applicable laws when using referenced sources.
We collect anonymous analytics data to understand how our website is used. This data does not identify individual users.
The iOS application may collect technical information (app version, iOS version) alongside user-submitted feedback, solely for the purpose of improving the application. This collection requires your explicit opt-in consent. For full details, see our Data Privacy Policy.
You agree not to:
- Submit false, misleading, or malicious data.
- Use automated tools to scrape or disrupt the website.
We may update these terms. Continued use of the website after changes constitutes acceptance of the new terms.
These terms are governed by the laws of Germany.
For questions, see the Imprint for contact information.