Terms and Conditions

These Terms and Conditions (“Terms”) are an agreement between you and BuildCalcWorld (“we,” “us,” “our”) and govern your access to and use of https://buildcalcworld.org (the “Site”), including its calculators, guides and other content. By using the Site, you agree to these Terms and to our Privacy Policy. If you do not agree, please do not use the Site.

1. Eligibility

You must be at least 13 years old to use the Site. If you are under 18, or under the age of majority where you live, please review these Terms with a parent or guardian.

2. Using the Site

The Site provides free calculators and educational content to help you estimate building material quantities and costs. No account or payment is required. You may use the Site for personal and commercial estimating, provided you use it lawfully and in line with these Terms.

You agree not to:

• attempt to disrupt, overload or gain unauthorized access to the Site or the systems that host it;
• use bots, scrapers or other automated tools to copy or republish substantial parts of the Site’s content without our written permission;
• frame the Site or present its content as your own; or
• use the Site in any way that violates applicable federal, state, local or international law.

3. Estimates only, not professional advice

Calculator results are estimates based on the values you enter and the assumptions shown on each page, such as densities, bag yields, waste allowances and compaction factors. Real materials, products and job-site conditions vary.

Results and guides are provided for general information. They are not engineering, architectural, structural or construction advice and do not replace advice from a licensed professional. You are responsible for checking your measurements, confirming specifications with your supplier, following local building codes and permit requirements, and verifying final quantities before you buy materials or start work. See our Disclaimer for more detail.

4. Accuracy of content

We work to keep our formulas, examples and guides correct and up to date, and we show the formula behind each calculator so you can check it. However, we do not guarantee that the content is complete, accurate or current at all times. Prices and product specifications mentioned in guides are examples only and vary by region and supplier. If you find an error, please let us know so we can correct it.

5. Intellectual property

The content on the Site, including text, graphics, logos, calculator design and code, is owned by BuildCalcWorld or used with permission, and is protected by U.S. and international copyright, trademark and other intellectual property laws. You may link to any page and quote short excerpts with clear attribution and a link back to the source page. Any other copying, reproduction or distribution requires our prior written permission.

6. Copyright complaints (DMCA)

We respect the intellectual property rights of others. If you believe that material on the Site infringes your copyright, please send a notice to [email protected] that includes the information required by the Digital Millennium Copyright Act, 17 U.S.C. § 512(c)(3):

• your physical or electronic signature;
• identification of the copyrighted work you claim has been infringed;
• the URL or other specific location of the material on the Site;
• your name, mailing address, telephone number and email address;
• a statement that you have a good-faith belief that the use is not authorized by the copyright owner, its agent or the law; and
• a statement, under penalty of perjury, that the information in your notice is accurate and that you are the copyright owner or authorized to act on the owner’s behalf.

We will review valid notices promptly and remove or disable access to infringing material where appropriate.

7. Feedback

If you send us suggestions, corrections or ideas, you agree that we may use them to improve the Site without any obligation to you. Please do not send confidential information.

8. Advertising and third-party links

The Site may display advertising provided by third parties such as Google AdSense, and our guides may link to other websites. We do not control and are not responsible for third-party content, products, services or websites. Showing an advertisement or link does not mean we endorse it, and your dealings with advertisers are solely between you and them. Our Privacy Policy explains how advertising cookies work and how to opt out.

9. Availability

We aim to keep the Site available at all times, but we may change, suspend or remove any part of it, including individual calculators, at any time and without notice. We are not liable if the Site is unavailable for any period.

10. Disclaimer of warranties

The Site and all content, calculators and results are provided “as is” and “as available,” without warranties of any kind, whether express, implied or statutory, including any implied warranties of merchantability, fitness for a particular purpose, title, accuracy and non-infringement. We do not warrant that the Site will be uninterrupted, error-free or free of viruses or other harmful components, or that any result will be accurate or suitable for your project.

11. Limitation of liability

To the fullest extent permitted by law, BuildCalcWorld and its operators will not be liable for any indirect, incidental, special, consequential, exemplary or punitive damages, or for any loss of profits, data or goodwill, arising out of or relating to your use of, or inability to use, the Site or its calculators. This includes the cost of materials that are over- or under-ordered, project delays, rework and construction defects, even if we have been advised of the possibility of such damages. Our total liability for any claim relating to the Site will not exceed one hundred U.S. dollars (US$100).

Some states do not allow the exclusion of certain warranties or the limitation of liability for incidental or consequential damages, so some of the above limitations may not apply to you. In that case, our liability is limited to the smallest amount permitted by applicable law.

12. Indemnification

You agree to indemnify and hold harmless BuildCalcWorld and its operators from any claims, losses, damages and expenses, including reasonable attorneys’ fees, arising from your misuse of the Site or your violation of these Terms.

13. Changes to these Terms

We may update these Terms from time to time. The “Last updated” date at the top of this page shows when they were last revised. If you continue to use the Site after changes are posted, you accept the updated Terms.

14. Governing law and disputes

These Terms, and any dispute or claim arising out of or in connection with them or your use of the Site, are governed by the laws of the Democratic Socialist Republic of Sri Lanka, without regard to its conflict-of-law rules. The courts of Sri Lanka have jurisdiction to settle any such dispute.

If you are a consumer residing in the United States or elsewhere, nothing in these Terms takes away any rights or protections you have under the consumer protection laws of your state or country that cannot be waived by contract, including any right to bring a claim in your local courts. Before filing any claim, please email us at [email protected] so we can try to resolve the issue informally.

15. General

If any part of these Terms is found to be invalid or unenforceable, the remaining parts will continue in full effect. If we do not enforce any part of these Terms, that does not waive our right to do so later. You may not transfer your rights under these Terms. These Terms, together with our Privacy Policy and Disclaimer, are the entire agreement between you and us about your use of the Site.

16. Contact us

Questions about these Terms can be sent to [email protected] or through our contact page.