Terms of Service

Effective Date: February 7, 2026

Last Updated: February 7, 2026

Please read these Terms of Service ("Terms") carefully before using TopCalculatorOnline.com (the "Site"), operated by TopCalculatorOnline ("we," "us," or "our"). By accessing or using the Site, you agree to be bound by these Terms. If you do not agree, you must discontinue use of the Site immediately.

These Terms apply to all visitors and users of the Site, regardless of location, including residents of all U.S. states and territories, and users worldwide.

1. Description of Service

TopCalculatorOnline provides free online calculators and utility tools for various purposes, including but not limited to financial calculations, health assessments, educational tools, unit conversions, and general utilities. The Site also features affiliate links to third-party products and services, including through the Amazon Associates Program.

Our services are provided on an "as is" and "as available" basis without warranties of any kind.

2. Eligibility

You must be at least 13 years of age (or 16 in the European Economic Area) to use this Site. By using the Site, you represent and warrant that you meet this age requirement. If you are under the age of majority in your jurisdiction, you should use the Site under the supervision of a parent or legal guardian who agrees to these Terms.

3. User Responsibilities

By using the Site, you agree to:

  • Provide accurate input data for calculations and verify results independently
  • Understand that online calculators are tools for estimation and general guidance only
  • Verify important results with qualified professionals before making decisions
  • Use the Site in compliance with all applicable local, state, national, and international laws
  • Not attempt to reverse engineer, decompile, or copy our software or proprietary systems
  • Not use automated systems (bots, scrapers) to access the Site without prior written permission
  • Not interfere with or disrupt the Site's operation or security

4. Not Professional Advice

The calculators, tools, and content on this Site are for informational and educational purposes only and do not constitute professional advice of any kind. Specifically:

  • Financial calculators (loan, mortgage, interest, tax, retirement, budget) do not constitute financial, investment, tax, or accounting advice. Consult a qualified financial advisor, CPA, or tax professional.
  • Health calculators (BMI, BMR, body fat, pregnancy/ovulation) do not constitute medical advice, diagnosis, or treatment. Consult a licensed healthcare provider.
  • Legal-related tools (tax, salary) do not constitute legal advice. Consult a licensed attorney.
  • Product recommendations (PC & Laptop Finder) are general suggestions based on common specifications and do not guarantee suitability. Research products independently before purchasing.

We are not liable for any decisions or actions taken based on information provided by this Site.

5. Accuracy Disclaimer

While we strive for accuracy, we make no warranties or guarantees regarding:

  • The accuracy, reliability, completeness, or timeliness of any calculation, result, or output
  • The suitability of results for any particular purpose
  • Uninterrupted, error-free, or secure operation of the Site
  • The correction of any errors or defects
  • The accuracy of product information, prices, or availability shown via affiliate links

Calculator results may differ from actual values due to rounding, formula approximations, or variations in real-world conditions. Always verify critical calculations with authoritative sources.

6. Affiliate Links and Third-Party Products

This Site contains affiliate links, including links to products on Amazon.com and its international affiliates. Please be aware that:

  • TopCalculatorOnline.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
  • When you click an affiliate link and make a purchase, we may earn a commission at no additional cost to you.
  • Product prices, availability, ratings, and delivery information displayed on our Site are provided by Amazon and other merchants and are subject to change at any time. We do not guarantee their accuracy.
  • We do not sell, manufacture, or ship any products. All purchases are made directly from Amazon or other third-party merchants.
  • Your purchase transactions are governed by the terms and conditions of the respective merchant (e.g., Amazon's Conditions of Use).
  • Product recommendations reflect our editorial assessment and are not guarantees of quality, suitability, or performance.

For full details, see our Affiliate Disclosure page.

7. Intellectual Property

All content on this Site, including but not limited to text, graphics, logos, icons, calculator algorithms, software, design elements, and layout, is the property of TopCalculatorOnline or its licensors and is protected by United States and international copyright, trademark, and intellectual property laws.

You may not reproduce, distribute, modify, create derivative works from, publicly display, or commercially exploit any content from this Site without our prior written consent, except as permitted by fair use under applicable law.

Amazon, the Amazon logo, and all related marks are trademarks of Amazon.com, Inc. or its affiliates. All other trademarks appearing on the Site are the property of their respective owners.

8. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL TOPCALCULATORONLINE, ITS OWNERS, OPERATORS, EMPLOYEES, AGENTS, OR AFFILIATES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO:

  • Loss of profits, revenue, data, or business opportunities
  • Financial losses resulting from reliance on calculator results
  • Health decisions made based on health calculator outputs
  • Product purchases made through affiliate links
  • Errors, inaccuracies, or omissions in any content or calculation
  • Unauthorized access to or alteration of your transmissions or data
  • Any conduct of third parties on or related to the Site

This limitation applies whether the claim is based on warranty, contract, tort (including negligence), strict liability, or any other legal theory, even if we have been advised of the possibility of such damages.

Some jurisdictions do not allow the exclusion or limitation of certain damages. In such jurisdictions, our liability shall be limited to the fullest extent permitted by applicable law.

9. Indemnification

You agree to indemnify, defend, and hold harmless TopCalculatorOnline, its owners, operators, employees, agents, and affiliates from and against any claims, liabilities, damages, losses, costs, or expenses (including reasonable attorneys' fees) arising from or related to your use of the Site, your violation of these Terms, or your violation of any applicable law or the rights of any third party.

10. Privacy

Your use of the Site is also governed by our Privacy Policy, which describes how we collect, use, and protect your information. By using the Site, you consent to the practices described in our Privacy Policy.

11. DMCA and Copyright Complaints

We respect the intellectual property rights of others. If you believe that content on our Site infringes your copyright, please submit a written notice to us that includes:

  • A description of the copyrighted work you claim has been infringed
  • The URL or location on our Site where the alleged infringement is occurring
  • Your contact information (name, address, email, phone number)
  • A statement that you have a good faith belief that the use is not authorized
  • A statement under penalty of perjury that your notice is accurate and that you are the copyright owner or authorized to act on their behalf
  • Your physical or electronic signature

Send DMCA notices to: info.topcalculatoronline@gmail.com

12. Governing Law and Jurisdiction

These Terms shall be governed by and construed in accordance with the laws of the United States and the State of Delaware, without regard to its conflict of law provisions.

For users outside the United States, these Terms are governed by U.S. law to the extent permitted by your local law. Nothing in these Terms affects your rights as a consumer under mandatory local laws that cannot be waived by agreement.

13. Dispute Resolution

Any disputes arising out of or relating to these Terms or your use of the Site shall be resolved as follows:

  • Informal Resolution: Before filing any formal proceedings, you agree to first contact us and attempt to resolve the dispute informally for at least 30 days.
  • Binding Arbitration: If informal resolution fails, disputes shall be resolved by binding arbitration administered under the rules of the American Arbitration Association (AAA). The arbitration shall be conducted in English.
  • Class Action Waiver: You agree that disputes will be resolved on an individual basis only. You waive any right to participate in a class action, class arbitration, or representative proceeding.
  • Small Claims Exception: Either party may bring an individual action in small claims court for disputes within the court's jurisdictional limit.

Residents of the European Union or other jurisdictions where arbitration clauses or class action waivers are unenforceable may bring proceedings in their local courts as permitted by law.

14. International Users

The Site is operated from the United States. If you access the Site from outside the United States, you do so at your own initiative and are responsible for compliance with local laws. We make no representation that the Site's content or services are appropriate or available for use in any particular location. Certain features or tools may not be available in all regions.

15. Termination

We reserve the right to restrict, suspend, or terminate your access to the Site at any time, without notice, for any reason, including but not limited to violation of these Terms, suspected fraudulent or illegal activity, or actions that may damage or impair the Site's operation.

16. Severability

If any provision of these Terms is found to be unenforceable or invalid by a court of competent jurisdiction, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall remain in full force and effect.

17. Entire Agreement

These Terms, together with our Privacy Policy and Affiliate Disclosure, constitute the entire agreement between you and TopCalculatorOnline regarding your use of the Site, superseding any prior agreements or understandings.

18. Changes to These Terms

We reserve the right to modify these Terms at any time. Changes will be posted on this page with an updated "Last Updated" date. Your continued use of the Site after changes are posted constitutes acceptance of the revised Terms. For material changes, we will provide a prominent notice on the Site.

19. Contact Information

For questions or concerns regarding these Terms, please contact us at:

Important Notice

By using TopCalculatorOnline.com, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service, our Privacy Policy, and our Affiliate Disclosure. If you do not agree with any part of these Terms, please do not use the Site.