Privacy Policy

ErosionCalc ("we," "our," or "us") operates this website (the "Service"). This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Service.

1. Information We Collect

1.1 Automatically Collected Information

When you use our calculator tool and browse our website, we may automatically collect certain information, including:

• Browser type and version
• Operating system
• Pages visited and time spent on pages
• Referring website address
• IP address (anonymized where possible)
• Device type (desktop, tablet, mobile)

1.2 Calculator Input Data

All calculations performed using the ErosionCalc calculator tool are processed entirely in your browser (client-side). We do not transmit, store, or have access to the financial figures you enter into the calculator. Your rate data, country selection, and projection parameters never leave your device.

1.3 Contact Information

If you voluntarily contact us via our contact form or email, we collect the information you provide, such as your name and email address, solely to respond to your inquiry.

2. Cookies and Tracking Technologies

2.1 Essential Cookies

We may use essential cookies to ensure the proper functioning of the website. These cookies do not track you across other websites.

2.2 Google Analytics

We use Google Analytics 4 (GA4) to understand how visitors interact with our website. Google Analytics uses cookies to collect anonymous usage data. This data helps us improve the user experience. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

2.3 Google AdSense

We use Google AdSense to display advertisements on our website. Google AdSense uses cookies to serve ads based on your prior visits to our website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the Internet. You may opt out of personalized advertising by visiting Google Ads Settings. For more information about how Google uses data from sites that use its services, visit Google's Privacy & Terms page.

3. How We Use Information

We use the collected information to:

• Provide and maintain the calculator tool and website
• Analyze usage patterns to improve functionality and user experience
• Display relevant advertisements through Google AdSense
• Respond to user inquiries submitted through the contact form
• Detect and prevent technical issues or abuse

4. Data Sharing

We do not sell, rent, or trade your personal information. We may share anonymized, aggregated data with:

• Google Analytics — for website usage analysis
• Google AdSense — for advertisement delivery

These third parties are governed by their own privacy policies.

5. Data Retention

Analytics data is retained for a maximum of 14 months as per Google Analytics default settings. Contact form submissions are retained only as long as necessary to respond to the inquiry, after which they are deleted.

6. Your Rights (GDPR / CCPA)

Depending on your jurisdiction, you may have the right to:

• Access the personal data we hold about you
• Request correction or deletion of your data
• Object to or restrict processing of your data
• Data portability
• Opt out of the sale of your personal information (California residents)

To exercise any of these rights, please contact us at the address listed on our Contact page.

7. Children's Privacy

Our Service is not intended for individuals under the age of 13. We do not knowingly collect personal information from children under 13.

8. Changes to This Policy

We may update this Privacy Policy periodically. The "Last updated" date at the top of this page indicates when the policy was last revised. Continued use of the Service after changes constitutes acceptance of the updated policy.

9. Contact Us

If you have questions about this Privacy Policy, please contact us via our Contact page.