Terms of Service
Last updated: October 9, 2026
1. Acceptance of Terms
By accessing or using Calculators99 (the "Website"), you agree to be bound by these Terms of Service. If you do not agree to these terms, please refrain from using our calculation services.
2. Informational and Educational Purpose Only
The calculators, formulas, guides, worked examples, and definitions provided across Calculators99 are provided strictly for general educational, estimation, and informational purposes. While we strive to maintain high mathematical precision and verify our algorithms against accepted academic and banking standards, results should never replace personalized professional counsel:
- Financial Calculators: Do not constitute licensed financial, investment, accounting, or legal advice. Lender loan estimates, APR calculations, and tax brackets can vary by jurisdiction and underwriter.
- Fitness & Health Calculators: Do not constitute clinical medical diagnosis, obstetrical treatment plans, or dietary prescriptions. Always consult a qualified physician for healthcare decisions.
- Construction & Engineering Tools: Real-world materials require professional on-site evaluation by licensed contractors and structural engineers.
3. Disclaimer of Warranties
Calculators99 is provided on an "as is" and "as available" basis without warranties of any kind, whether express or implied. Calculators99 Labs disclaims all liability for any errors, omissions, or calculations resulting from your use of the website. Calculator results are estimates for general information only. Please verify important figures with a qualified professional.
4. Intellectual Property
The custom layout, written guides, code, visual presentation, and branding of Calculators99 are the intellectual property of Calculators99 Labs. You may not scrape, mass-republish, or mirror our software interfaces without prior authorization.
5. Limitation of Liability
In no event shall Calculators99 Labs, its contributors, or its operators be liable for any indirect, incidental, consequential, special, or punitive damages arising from the use or inability to use this website, its tools, or its calculations.
6. Changes to These Terms
We reserve the right to revise these Terms of Service at any time. Changes will take effect immediately upon being posted to this page. Your continued use of the website following any modifications signifies your acceptance of the updated terms.