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Terms of Use

Effective date: April 1, 2025
Last updated: April 5, 2026

These Terms of Use ("Terms") govern your access to and use of calculatorcafe.com (the "Site"), operated by CalculatorCafe ("we," "us," or "our"). Please read these Terms carefully before using the Site. By accessing or using the Site, you agree to be bound by these Terms. If you do not agree to any part of these Terms, you must not use the Site.

1. Description of service

CalculatorCafe provides free online calculators, converters, and computational tools for informational and educational purposes. Our tools cover a wide range of categories including currency conversion, personal finance, mathematics, health and fitness, construction estimation, education, technology utilities, cryptocurrency conversion, and astrology. All tools are provided at no cost and without requiring user registration.

2. Acceptance of Terms

By using any part of the Site, you acknowledge that you have read, understood, and agree to be bound by these Terms, as well as our Privacy Policy and Disclaimer, which are incorporated by reference. If you are using the Site on behalf of an organization, you represent that you have the authority to bind that organization to these Terms.

3. Permitted use

You may use the Site and its tools for lawful, personal, non-commercial purposes. You may share links to any page on the Site. You may reference calculator results in your own work, provided you do not imply that CalculatorCafe has endorsed your conclusions.

Unless otherwise stated, you may not use the Site or its content for commercial purposes without our written permission. Commercial use includes, but is not limited to, reselling access to our tools, embedding our calculators in a commercial product, or scraping our content for use in a competing service.

4. Accuracy and reliability of results

We make reasonable efforts to ensure that our calculators produce accurate results based on the inputs provided and the formulas used. However, all results are provided on an "as is" and "as available" basis without warranties of any kind, either express or implied.

Calculator results may contain inaccuracies due to:

  • Rounding differences in mathematical operations
  • Delays in exchange rate or cryptocurrency price data
  • Simplifications in the formulas used (e.g., not accounting for regional tax rules, individual health variations, or local building codes)
  • User input errors or misunderstandings of input fields
  • Software bugs or unexpected technical issues

You should not rely solely on our tools for decisions where errors could result in financial loss, health consequences, structural failure, or other harm. Important calculations should always be verified independently or reviewed by a qualified professional.

5. No professional advice

Nothing on this Site constitutes professional advice of any kind. Specifically:

  • Financial tools (mortgage calculators, loan calculators, investment tools, tax estimators, paycheck calculators) produce estimates only. They do not replace the advice of a licensed financial advisor, certified public accountant, or tax professional.
  • Health tools (BMI calculator, calorie calculator, body fat estimator, due date calculator) use general population formulas. Results do not constitute medical advice, diagnosis, or treatment recommendations. Always consult a qualified healthcare provider for medical decisions.
  • Construction tools (material estimators, area calculators, volume calculators) provide rough estimates. Actual material needs depend on local building codes, site conditions, waste factors, and material specifications. Consult a licensed contractor or engineer before purchasing materials or beginning construction.
  • Legal and tax information presented on the Site is for general guidance only and does not constitute legal or tax advice.

6. Currency and cryptocurrency data

Exchange rates and cryptocurrency prices displayed on this Site are sourced from third-party APIs (ExchangeRate API for fiat currencies, CoinGecko for cryptocurrencies). These rates represent mid-market reference rates and are updated periodically throughout the day.

Important limitations:

  • Displayed rates may differ from the rates offered by banks, brokers, money transfer services, or cryptocurrency exchanges.
  • We do not guarantee the accuracy, completeness, or timeliness of any rate data.
  • Rates shown should not be used as the basis for actual financial transactions without independent verification from your financial institution.
  • Historical rate data is provided for informational purposes and may contain gaps or inaccuracies.

7. Intellectual property

All content on this Site, including but not limited to text, graphics, logos, icons, images, user interface design, code, and the selection and arrangement of content, is the property of CalculatorCafe or its content suppliers and is protected by United States and international copyright, trademark, and other intellectual property laws.

You may not:

  • Reproduce, distribute, or publicly display any content from the Site without our written permission
  • Modify, adapt, or create derivative works based on our content
  • Remove or alter any copyright, trademark, or other proprietary notices
  • Use our trademarks, logos, or brand name in any manner that suggests endorsement or affiliation without permission

8. Prohibited conduct

When using the Site, you agree not to:

  • Use the Site for any unlawful purpose or in violation of any applicable laws or regulations
  • Attempt to gain unauthorized access to our servers, databases, or any other part of our infrastructure
  • Use automated tools (bots, scrapers, spiders) to crawl, scrape, or harvest content or data from the Site without our written permission
  • Introduce viruses, malware, or other harmful code
  • Overload our servers with excessive requests or denial-of-service attacks
  • Impersonate another person or misrepresent your affiliation with any entity
  • Interfere with other users' ability to access or use the Site
  • Use our contact form to send spam, solicitations, or promotional messages
  • Frame or mirror any part of the Site on another website without permission

We reserve the right to block access to the Site for any user or IP address that violates these Terms or engages in conduct we consider harmful.

9. Third-party links and content

The Site may contain links to websites operated by third parties, as well as advertisements served by third-party ad networks. We do not control, endorse, or assume responsibility for the content, privacy practices, or availability of any third-party website. Clicking on a third-party link or ad is at your own risk, and you should review the terms and privacy policies of any external site you visit.

10. Disclaimer of warranties

THE SITE AND ALL TOOLS, CONTENT, AND SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, AND NON-INFRINGEMENT.

WE DO NOT WARRANT THAT THE SITE WILL BE UNINTERRUPTED, ERROR-FREE, OR FREE OF HARMFUL COMPONENTS. WE DO NOT WARRANT THAT CALCULATOR RESULTS WILL BE ACCURATE OR RELIABLE FOR ANY PARTICULAR PURPOSE.

11. Limitation of liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, CALCULATORCAFE AND ITS OPERATORS, EMPLOYEES, AND AFFILIATES SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING OUT OF OR RELATED TO YOUR USE OF OR INABILITY TO USE THE SITE, INCLUDING BUT NOT LIMITED TO:

  • Financial losses resulting from reliance on calculator results
  • Health consequences resulting from reliance on health calculator outputs
  • Property damage or construction errors resulting from reliance on material estimators
  • Loss of data or business interruption
  • Damages resulting from unauthorized access to or alteration of your transmissions or data

THIS LIMITATION APPLIES WHETHER THE CLAIM IS BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY, OR ANY OTHER LEGAL THEORY, AND WHETHER OR NOT WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

IN JURISDICTIONS THAT DO NOT ALLOW THE EXCLUSION OR LIMITATION OF CERTAIN DAMAGES, OUR LIABILITY SHALL BE LIMITED TO THE MAXIMUM EXTENT PERMITTED BY LAW.

12. Indemnification

You agree to indemnify, defend, and hold harmless CalculatorCafe and its operators, employees, and affiliates from and against any and all claims, liabilities, damages, losses, costs, and expenses (including reasonable attorney's fees) arising out of or related to:

  • Your use of the Site
  • Your violation of these Terms
  • Your violation of any third-party rights
  • Any content or data you submit through the Site

13. Modifications to the Site

We reserve the right to modify, suspend, or discontinue any part of the Site at any time without notice. We may add, remove, or change calculators, features, and content at our discretion. We shall not be liable to you or any third party for any modification, suspension, or discontinuation of the Site.

14. Changes to these Terms

We reserve the right to update or modify these Terms at any time. When we make changes, we will update the "Last updated" date at the top of this page. Material changes may be communicated through a notice on the Site. Your continued use of the Site after changes are posted constitutes your acceptance of the revised Terms. If you do not agree with the changes, you should discontinue using the Site.

15. Severability

If any provision of these Terms is found to be invalid, illegal, or unenforceable by a court of competent jurisdiction, that provision shall be modified to the minimum extent necessary to make it enforceable, or if modification is not possible, it shall be severed. The remaining provisions shall continue in full force and effect.

16. Entire agreement

These Terms, together with the Privacy Policy and Disclaimer, constitute the entire agreement between you and CalculatorCafe regarding the use of the Site. These Terms supersede any prior agreements or understandings, whether written or oral.

17. 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 conflict of law principles. Any disputes arising from these Terms or your use of the Site shall be resolved exclusively in the state or federal courts located in Delaware. You consent to the personal jurisdiction and venue of such courts.

18. Contact

If you have any questions about these Terms of Use, please contact us through our contact page.