Terms of Use

Last Updated: 20/8/2025

Welcome to HCalculator. By accessing and using our website, you agree to the following terms and conditions:

Welcome to HCalculator. By accessing or using hcalculator.com (the “Site”), you agree to these Terms of Use (the “Terms”). If you do not agree, please do not use the Site.

  1. Who we are & contact

    HCalculator is an individually owned website operated from Pakistan.
    Contact: contact@hcalculator.com

  2. Eligibility

    You must be able to enter a binding contract under applicable law to use the Site. If you are under the age of majority, you may use the Site only with the involvement of a parent or legal guardian.

  3. Personal, limited licence

    We grant you a limited, non-exclusive, revocable, non-transferable licence to access and use the Site for personal, non-commercial purposes. Any other use requires our prior written permission.

  4. Acceptable use (what you must not do)

    You agree not to:

    • break the law or the rights of others using the Site;
    • copy, reproduce, republish, mirror, frame, or redistribute any part of the Site except as permitted by applicable law;
    • reverse engineer, decompile, or attempt to extract source code from our calculators or software;
    • use automated means (bots, scrapers, crawlers) to access the Site, collect data, or perform bulk queries, except for public search engine indexing in line with robots.txt;
    • interfere with the Site’s normal operation, security, or infrastructure (including rate limits);
    • remove, alter, or obscure proprietary notices or attribution.

    We may suspend or block access if we reasonably believe you are violating these Terms.

  5. Educational use & no professional advice

    Our calculators and content are provided for information and educational purposes only. They do not constitute professional advice (including but not limited to engineering, financial, medical, or legal advice). You are responsible for validating results and making your own decisions.

  6. Accuracy, availability & changes

    We work to keep the Site accurate and available, but we do not guarantee:

    • the accuracy, completeness, or timeliness of any result or content; or
    • that the Site will be uninterrupted, secure, or error-free.

    We may modify, suspend, or discontinue any part of the Site at any time without notice.

  7. Third-party links, services & ads

    The Site may contain links to third-party sites or display third-party services/ads. We do not control or endorse third-party content and are not responsible for their availability, accuracy, or practices. Your use of third-party sites is at your own risk and subject to their terms and policies.

  8. Intellectual property

    All content on the Site—including text, UI, designs, logos, and the calculators themselves—is owned by HCalculator or our licensors and is protected by applicable intellectual-property laws. Except for the limited licence in Section 3, no rights are granted.

    You may link to our public pages in a fair and legal manner that does not suggest endorsement. Do not iframe or embed pages in a way that misrepresents ownership or interferes with our functionality.

    If you believe material on the Site infringes your rights, email contact@hcalculator.com with details (including the URL and proof of ownership).

  9. Feedback

    If you send suggestions, ideas, or bug reports (“Feedback”), you grant us a non-exclusive, worldwide, royalty-free, perpetual licence to use, modify, and incorporate that Feedback without obligation to you.

  10. Disclaimers

    THE SITE AND ALL CONTENT/CALCULATORS ARE PROVIDED “AS IS” AND “AS AVAILABLE” WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING ACCURACY, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, AND NON-INFRINGEMENT. YOU USE THE SITE AT YOUR OWN RISK.

  11. Limitation of liability

    TO THE MAXIMUM EXTENT PERMITTED BY LAW, HCalculator AND ITS OWNERS WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES, OR FOR ANY LOSS OF PROFITS, DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES, ARISING OUT OF OR RELATED TO YOUR USE OF (OR INABILITY TO USE) THE SITE.

    OUR TOTAL LIABILITY FOR ANY CLAIM WILL NOT EXCEED USD 50 (OR THE EQUIVALENT IN LOCAL CURRENCY).

    Some jurisdictions do not allow certain limitations; in those cases, the limitations apply to the fullest extent permitted.

  12. Indemnity

    You agree to indemnify and hold harmless HCalculator from and against any claims, liabilities, damages, losses, and expenses (including reasonable legal fees) arising out of or related to your violation of these Terms or misuse of the Site.

  13. Changes to these Terms

    We may update these Terms from time to time. The “Last updated” date shows when changes were made. Your continued use of the Site after changes means you accept the updated Terms.

  14. Governing law & jurisdiction

    These Terms are governed by the laws of Pakistan, without regard to conflict-of-law principles. You agree to the exclusive jurisdiction of the courts of Pakistan to resolve any dispute arising from or relating to the Site or these Terms.

  15. Miscellaneous

    • Severability: If a provision is unenforceable, the remainder remains in effect.
    • No waiver: Our failure to enforce a provision is not a waiver of our right to do so later.
    • Entire agreement: These Terms constitute the entire agreement between you and us regarding the Site.

Questions? Email contact@hcalculator.com.