Privacy Policy

Last updated: 17 September 2026

1. Introduction

Welcome to calqin.com ("we", "our", "us"). This Privacy Policy explains how we handle your information when you use our website. We are committed to protecting your privacy.

2. Information We Do NOT Collect

Our calculators run entirely in your browser. We do NOT collect, store, or transmit any numbers, dates, or personal data you enter into our calculators. All calculations happen locally on your device.

3. Automatically Collected Information

Like most websites, we may collect basic technical information via cookies and analytics, including: browser type, device type, pages visited, time spent, and IP address (anonymized). This helps us improve our service.

4. Cookies and Web Beacons

We use cookies to store information about visitor preferences and to record user-specific information on visits. You can disable cookies in your browser settings, but this may affect how you interact with our site.

5. Google AdSense and DART Cookie

We use Google AdSense to display advertisements on our website. Google, as a third-party vendor, uses cookies to serve ads based on your prior visits to our site and other sites on the internet. Google uses the DART cookie to enable it to serve ads to users based on their visit to our site and other sites on the Internet. Users may opt out of the use of the DART cookie by visiting the Google ad and content network privacy policy.

6. Third-Party Advertising Partners

Third-party ad servers or ad networks may use technologies like cookies, JavaScript, or web beacons in their respective advertisements and links that appear on calqin.com. These are sent directly to your browser and automatically receive your IP address. These third-party ad networks may use this data to measure the effectiveness of their advertisements and to personalize the advertising content.

7. Google Analytics

We use Google Analytics to understand how visitors interact with our website. Google Analytics collects information such as how often users visit this site, what pages they visit, and what other sites they used prior to coming to this site. We use this information to improve our website. Google Analytics collects only the IP address assigned to you on the date you visit this site, rather than your name or other identifying information.

8. Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect personally identifiable information from children under 13.

9. Consent

By using our website, you hereby consent to our Privacy Policy and agree to its terms. You can manage cookie consent through the banner displayed on your first visit.

10. Changes to This Policy

We may update this Privacy Policy periodically. Changes will be posted on this page with an updated date. We encourage you to review this page periodically for any changes.

11. Contact

For questions about this Privacy Policy, email us at: contact@calqin.com