Privacy Policy
Your privacy is critically important to us.
Last Updated: September 27, 2025
Policy Summary
Welcome to Stone Calculator. We are committed to protecting your privacy and handling your data in an open and transparent manner. This summary provides a brief overview of our data practices. For complete details, please read the full policy below.
- We Do Not Store Your Calculations: The project dimensions (length, width, depth, etc.) and material choices you enter into our calculators are processed in real-time and are never stored on our servers.
- Limited Personal Data: We only collect personal information when you voluntarily provide it, such as through our contact form.
- Analytics: We use aggregated, non-personal data for analytics to understand how our tools are used and to improve our services for everyone.
- No Selling of Data: We will never sell your personal information to third parties.
1. Introduction
This Privacy Policy explains how Stone Calculator ("we," "us," or "our") collects, uses, and discloses information about you when you access or use our website and services (collectively, the "Services"). By using our Services, you agree to the collection and use of information in accordance with this policy.
2. Information We Collect
We collect information in a few different ways to provide and improve our Services to you.
A. Information You Provide to Us
This is personal data you give us directly, such as when you fill out our contact form. This may include:
- Your name
- Your email address
- The content of your message
B. Information We Collect Automatically (Non-Personal Data)
When you use our calculators, we automatically collect certain non-personally identifiable information. This helps us understand user behavior and improve the application. This data includes:
- Usage Data: Information about how you interact with our Services, such as which calculators are used most frequently, features you use, and the duration of your visit.
- Device Information: Information about the device you use to access our Services, such as browser type, operating system, and general location (e.g., country). This is standard data collected by analytics services.
3. Data We Explicitly Do Not Collect
To be perfectly clear, your project data is yours alone. We do not collect, store, or transmit the specific inputs or results from your calculations. This includes:
- Project dimensions (length, width, depth, etc.)
- Chosen materials (crushed stone, gravel, etc.)
- Cost estimates or waste factor percentages
- The final volume, weight, or cost results generated by the calculators
This information is processed exclusively within your browser and is discarded when you leave the page.
4. How We Use Your Information
We use the limited information we collect for the following purposes:
- To Provide and Maintain our Service: To ensure our calculators are functioning correctly and efficiently.
- To Improve Our Services: We analyze aggregated usage data to understand which tools are most helpful, identify areas for improvement, and develop new features.
- To Respond to Inquiries: If you contact us through our contact form, we use the information you provide to respond to your message.
- To Ensure Security: To monitor for and prevent fraudulent or illegal activity.
5. Cookies and Tracking Technologies
We use cookies and similar tracking technologies to track activity on our Service and hold certain information. Cookies are files with a small amount of data which may include an anonymous unique identifier. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, some parts of our Service may not function correctly.
6. Data Security
The security of your data is important to us. We use standard administrative and technical security measures to help protect your personal information. While we have taken reasonable steps to secure the personal information you provide to us, please be aware that despite our efforts, no security measures are perfect or impenetrable, and no method of data transmission can be guaranteed against any interception or other type of misuse.
7. Your Data Protection Rights
Depending on your location, you may have certain rights under data protection laws (such as GDPR or CCPA). These may include the right to access, correct, update, or request deletion of your personal information. If you wish to exercise any of these rights, please contact us.
8. Changes to This Privacy Policy
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date at the top. You are advised to review this Privacy Policy periodically for any changes.
9. Contact Us
If you have any questions about this Privacy Policy, please contact us.