About This Cookie Policy
This Cookie Policy explains what cookies are, how CalcHub uses them, and the choices you have. By continuing to use CalcHub you agree to the use of cookies as described here.
Last updated: May 17, 2026
What Are Cookies?
Cookies are small text files stored on your device when you visit a website. They allow websites to recognise your device, remember preferences, and in our case, serve and measure advertisements.
Cookies may be session cookies (deleted when you close your browser) or persistent cookies (remain until they expire or you delete them). They may be set by CalcHub directly ("first-party") or by our partners ("third-party").
Categories of Cookies We Use
| Category | Purpose | Can be disabled? |
|---|---|---|
| Strictly Necessary | Core site functionality (e.g. security, session management) | No |
| Advertising | Google AdSense uses these to deliver and measure personalised ads | Yes — see below |
| Analytics | Anonymised data about how visitors use the site (if enabled) | Yes — see below |
Google AdSense Cookies
CalcHub uses Google AdSense to display ads. The following Google cookies may be placed on your device:
| Cookie | Provider | Purpose | Expiry |
|---|---|---|---|
| DART / IDE | Google / DoubleClick | Interest-based advertising; tracks users across sites to deliver targeted ads and measure conversions | 13 months |
| NID | Stores preferences for Google services; used in ad targeting | 6 months | |
| DSID | Google / DoubleClick | Identifies signed-in Google users for cross-device ad targeting | 2 weeks |
| test_cookie | DoubleClick | Checks that the browser supports cookies | Session |
For a comprehensive list visit Google's cookies page.
Managing & Disabling Cookies
You have several options for controlling cookies:
- Browser Settings: All major browsers let you block or delete cookies. Note that blocking all cookies may affect CalcHub functionality. Instructions for popular browsers:
— Google Chrome | Mozilla Firefox | Apple Safari | Microsoft Edge - Google Ad Settings: Opt out of personalised Google ads at g.co/adsettings.
- Network Advertising Initiative: Opt out from multiple ad networks at networkadvertising.org.
- Your Online Choices (EU): Manage ad preferences at youronlinechoices.eu.
More Information
For more detail on how we handle personal data see our Privacy Policy. For questions about our use of cookies, contact us.