Privacy Policy
How Circle Area Calculator handles your data, respects visitor privacy, and maintains transparent data practices.
No Account Needed
We do not collect names, email addresses, or personal profiles to use our geometry tools.
100% Client-Side Math
All area, radius, circumference, and arc calculations execute locally in your web browser.
Minimal Storage
Local storage is only used to preserve your theme, language, and cookie consent preferences.
1. Overview & Core Privacy Commitment
At Circle Area Calculator (https://www.circleareacalculator.net), your privacy is fundamental. We provide free, high-precision mathematical utilities designed for students, educators, engineers, and professionals. You can access all our calculators and educational guides without creating an account or providing personally identifiable information.
2. How Your Calculations Are Processed
When you enter numbers into our Circle Area Calculator, Circumference Tool, Sector Area Calculator, or any other calculator on this site:
- Local Execution: Calculations are processed instantly inside your browser using JavaScript standard math routines.
- No Data Transmission: Numerical dimensions, units, and results are never transmitted to external database servers.
- No History Profiling: We do not build behavioral profiles based on the calculations you perform.
3. Cookies and Local Storage
We use minimal browser local storage strictly to remember functional UI preferences across page reloads:
- Theme Preference: Remembers your chosen Dark or Light visual theme.
- Language Preference: Remembers your active language selection across visits.
- Consent Status: Records that you have seen and acknowledged our cookie banner.
For complete technical details on our storage practices, please read our dedicated Cookie Policy.
4. Web Hosting & Server Logs
Like all websites, our hosting and content delivery network (Cloudflare) automatically records standard server log files for network stability, DDoS mitigation, and performance monitoring. These logs may include your IP address, browser user-agent string, referring page, date/time stamps, and requested resource paths. These logs are non-identifying and are retained solely for technical security.
5. Third-Party Advertising & Analytics
To keep our educational mathematical utilities 100% free, we may partner with third-party advertising networks, such as Google AdSense. In compliance with Google AdSense policies:
- Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites.
- Google's use of advertising cookies enables it and its partners to serve ads based on your visit to this site and other sites on the Internet.
- Users may opt out of personalized advertising by visiting Google Ads Settings or aboutads.info.
6. Contact Forms & Communication
If you contact us via our Contact Us form, we collect your name, email address, message topic, and message content solely to respond to your inquiry. We do not sell, rent, or share contact information with third-party marketers.
7. Data Protection Rights (GDPR & CCPA)
Under international privacy frameworks including the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA), you have rights to access, rectify, or request deletion of personal information. Because we do not store personal account databases, no private geometry computation data is retained on our servers.
8. Updates to This Policy
We may periodically update this Privacy Policy to reflect technical or legal improvements. The updated date at the top of this page will always reflect the most recent version.
9. Questions & Contact Information
If you have questions regarding this Privacy Policy or our data handling practices, please submit an inquiry through our Contact Page.