Cookies Policy
Last updated: March 23, 2026
This Cookies Policy explains how CircumferencetoDiameter.net ("we," "us," or "our") uses cookies and similar tracking technologies when you visit our website at circumferencetodiameter.net (the "Website").
1. What Are Cookies?
Cookies are small text files that are stored on your device (computer, tablet, or mobile phone) when you visit a website. They are widely used to make websites work more efficiently, provide a better user experience, and supply information to website owners.
Cookies can be "persistent" (remaining on your device until they expire or you delete them) or "session" cookies (deleted when you close your browser).
2. How We Use Cookies
CircumferencetoDiameter.net uses a minimal number of cookies. We prioritize your privacy and only use cookies that are necessary for the Website to function or to help us understand how visitors interact with our content.
2.1 Essential Cookies
These cookies are necessary for the Website to function properly. They cannot be disabled without affecting the core functionality of the Website.
| Cookie | Purpose | Duration |
|---|---|---|
| Language Preference | Remembers your selected language so you don't have to choose it again on each visit. | 1 year |
2.2 Analytics Cookies
We may use analytics cookies to collect anonymous, aggregated data about how visitors use our Website. This helps us understand which pages are most popular, how users navigate the site, and where we can improve.
| Cookie | Purpose | Duration |
|---|---|---|
| Analytics Identifier | Assigns a random identifier to distinguish unique visitors without identifying them personally. | Up to 26 months |
| Session Tracking | Tracks page views and interactions during a single browsing session. | Session |
Important: Analytics cookies do not collect personally identifiable information. All data is processed in aggregate form.
2.3 Third-Party Cookies
Some third-party services integrated into our Website may set their own cookies:
- Vercel (hosting) — May set performance and security cookies. Vercel Privacy Policy
- Google Fonts — May set cookies related to font delivery. Google Privacy Policy
3. Cookies We Do Not Use
For transparency, here are some common cookie types that we do not use:
- ❌ Advertising Cookies — We do not serve ads or use ad-tracking cookies.
- ❌ Social Media Tracking Cookies — We do not embed social media trackers.
- ❌ Cross-Site Tracking Cookies — We do not track your browsing activity across other websites.
- ❌ Profiling Cookies — We do not create user profiles for marketing purposes.
4. How to Control Cookies
You can control and manage cookies in several ways:
4.1 Browser Settings
Most web browsers allow you to manage cookie preferences through their settings. You can:
- View which cookies are stored on your device
- Delete specific cookies or all cookies
- Block cookies from specific websites
- Block all cookies (though this may affect website functionality)
- Set your browser to notify you when a cookie is being set
Here are links to cookie management instructions for major browsers:
4.2 Opt-Out of Analytics
If we use Google Analytics, you can opt out by installing the Google Analytics Opt-Out Browser Add-on.
5. Impact of Disabling Cookies
If you choose to disable cookies, please note that:
- Your language preference may not be saved between visits
- Some website features may not function as expected
- Your overall experience may be affected
However, our core calculator tools will continue to function normally even with cookies disabled, as they run entirely on client-side JavaScript.
6. Do Not Track (DNT) Signals
Some browsers offer a "Do Not Track" (DNT) feature that sends a signal to websites requesting that your browsing activity not be tracked. We respect DNT signals where applicable and will limit tracking accordingly.
7. Updates to This Policy
We may update this Cookies Policy from time to time to reflect changes in technology, legislation, or our cookie practices. Any changes will be posted on this page with an updated "Last updated" date.
8. Related Policies
For more information about how we handle your data, please review our related policies:
9. Contact Us
If you have any questions about our use of cookies, please contact us:
- Email: contact@CircumferencetoDiameter.net
- Contact Form: circumferencetodiameter.net/contact-us