Last updated: May 13, 2026
Overview
BuildMath provides free browser-based real estate and construction planning calculators and written planning insights. This Privacy Policy explains what information may be collected when you use this website and how that information may be used.
Information you enter into calculators
BuildMath calculators run in your browser for planning-level screening. The numbers you type into the calculators are intended to be processed locally in your browser to generate calculator outputs. Do not enter confidential, proprietary, personal, financial account, or sensitive project information into any calculator field.
Information collected automatically
Like most websites, BuildMath may collect basic technical information such as browser type, device type, pages visited, referring pages, approximate location derived from network information, and interaction data. This information may be collected through hosting logs, analytics tools, security tools, cookies, or similar technologies.
Cookies and similar technologies
BuildMath may use cookies or similar technologies to operate the website, understand usage, improve performance, measure traffic, and support advertising if advertising is enabled in the future. You can usually control cookies through your browser settings.
Advertising and third-party services
BuildMath may use third-party services such as analytics providers, hosting providers, search tools, or advertising networks. These services may collect information under their own privacy policies. If advertising is enabled, advertising partners may use cookies or similar technologies to serve, measure, and improve ads.
Google advertising disclosure
If Google advertising services are used on BuildMath, Google may use cookies to serve ads based on a user’s prior visits to this website or other websites. Users may opt out of personalized advertising by visiting Google’s Ads Settings. Users may also learn more about third-party ad personalization and opt-out options through industry resources where available.
How information may be used
- To operate, maintain, and secure the website.
- To improve calculator usability, page structure, content, and performance.
- To understand general website traffic and user interaction patterns.
- To respond to messages or inquiries sent through contact links.
- To support advertising, analytics, or measurement if those services are enabled.
Information sharing
BuildMath does not sell personal information. Information may be shared with service providers that help operate the website, such as hosting, analytics, security, or advertising providers, subject to their own terms and privacy practices. Information may also be disclosed if required by law or necessary to protect the website, users, or legal rights.
Data retention
Technical logs, analytics records, and inquiry messages may be retained for operational, security, business, or legal purposes. Retention periods may vary depending on the type of information and the service provider involved.
Children’s privacy
BuildMath is not directed to children under 13. The website is intended for general business, real estate, construction, and planning-related use.
Your choices
You may disable cookies in your browser settings. You may also choose not to use the calculators or not to send an inquiry. If you contact BuildMath and want a message deleted or corrected, you may send a request through the contact page.
Changes to this policy
This Privacy Policy may be updated from time to time. The updated version will be posted on this page with a revised date.
Contact
For privacy-related questions, contact BuildMath through the Contact page.