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Terms of Service

Last updated: October 14, 2026

1. Acceptance of Terms

By accessing or using the CalcNest website at calcnest.me (the "Site"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not access or use the Site. These Terms apply to all visitors, users, and others who access or utilize our calculations and utilities.

2. Description of Service

CalcNest provides a suite of free, client-side online mathematical, financial, and fitness calculators including, but not limited to: BMI Calculator, ROI Calculator, Compound Interest Calculator, EMI (Loan) Calculator, Percentage Calculator, Age Calculator, Unit Converter, Sales Tax Calculator, VAT Calculator, and GPA Calculator. All tools are provided free of charge without mandatory registration and are intended for informational, reference, and educational purposes only. Calculations generated by these tools must not be construed as professional medical, nutritional, financial, tax, legal, or investment advice.

3. Intellectual Property & Calculation Results

Site Software and Content: All proprietary code, algorithms, interface designs, logos, graphics, explanatory copy, and visual branding are the property of CalcNest and are protected under international copyright, trademark, and trade secret laws. You may not decompile, reverse-engineer, frame, scrape, or systematically replicate the site or its software without prior express written consent.

Your Calculation Results: You retain full, non-exclusive rights to use, copy, print, export, and incorporate the numerical results, estimations, and figures produced by our calculators into your personal budgets, academic study, research, or commercial financial presentations. CalcNest claims no intellectual property ownership over your input numbers or the resulting outputs generated on your device.

4. Disclaimer of Warranties

THE SITE, ITS COMPUTATIONAL MODELS, AND ALL CONTENT ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF ACCURACY, RELIABILITY, COMPLETENESS, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. While CalcNest strives to implement verified formulas adhering to WHO standards, CDC percentiles, and standard financial mathematics, we do not warrant that calculations are free of errors, omissions, or algorithmic variations. You use all tools entirely at your own risk. For critical decisions, consult our Comprehensive Disclaimer.

5. Limitation of Liability

To the fullest extent permitted by applicable law, CalcNest, its authors, operators, and affiliates shall not be held liable for any direct, indirect, incidental, special, consequential, or punitive damages arising out of or in connection with your access, use, or inability to use the Site. This includes, without limitation, any financial losses, investment underperformance, credit penalties, tax liabilities, or physical health impacts resulting from reliance on calculator outputs or educational articles.

6. Prohibited Uses

When accessing CalcNest, you agree not to engage in any of the following activities:

  • Engaging in automated web scraping, data extraction, or programmatic denial-of-service queries that disrupt site infrastructure.
  • Transmitting, injecting, or propagating any malware, scripts, or malicious automated requests.
  • Attempting to circumvent access barriers or reverse-engineer server configurations.
  • Misrepresenting calculations generated by CalcNest as certified professional appraisals, audited financial reports, or official medical diagnoses.
  • Violating any applicable local, national, or international statute or regulation.

7. Third-Party Links & External References

The Site may contain hyperlinks to external resources, official academic publications, and government health or financial agencies (such as the CDC, WHO, IRS, or SEC) for verification and educational context. These references are provided for your informational convenience. CalcNest does not endorse, control, or accept liability for the content, privacy practices, or accuracy of third-party external domains.

8. Advertising & Third-Party Cookies

CalcNest is supported in part by non-intrusive advertisements served by third-party ad networks, including Google AdSense. These networks may deploy cookies, web beacons, and Google DART cookies to serve ads based on your prior browsing history across the web. You have the right to inspect our cookie protocols and opt out of personalized tracking at any time by reviewing our Privacy Policy or visiting Google Ad Settings.

9. Modifications to the Terms

We reserve the right to revise or amend these Terms of Service periodically to reflect changes in our calculation methods, legal regulations, or site capabilities. Revisions take effect immediately upon publication on this page with an updated timestamp. Your continued use of the Site after revisions constitutes accepted agreement.

10. Governing Law & Severability

These Terms shall be interpreted and governed in accordance with applicable laws, excluding conflict-of-law doctrines. If any provision of these Terms is deemed unlawful or unenforceable by a court of competent jurisdiction, that provision shall be severed without impairing the validity of the remaining provisions.

11. Contact Information

For legal inquiries, copyright notices, or questions regarding these Terms of Service, please contact our team:

  • Website Contact Form: calcnest.me/contact
  • Legal Department: legal@calcnest.me
  • General Support: hello@calcnest.me