Cookie Policy
How iCalculator uses cookies and tracking technologies
Last updated: April 25, 2026
1. What Are Cookies?
Cookies are small text files that are placed on your device (computer, tablet, or mobile phone) by websites you visit. They are widely used to make websites work correctly, improve efficiency, and provide useful information to website owners. Cookies are stored in your browser and sent back to the originating website on each subsequent visit, or to another website that recognises that cookie.
Session Cookies vs. Persistent Cookies
- Session cookies — Temporary cookies that exist only for the duration of your browser session. They are automatically deleted when you close your browser. They are typically used to maintain a consistent experience as you navigate between pages during a single visit.
- Persistent cookies — These remain on your device for a set period of time (as defined in the cookie) or until you delete them manually. They are used to remember your preferences across multiple visits, such as your chosen theme or language setting.
In addition to cookies, we and our third-party partners may use similar tracking technologies such as web beacons (pixel tags), local storage, and JavaScript tags. This policy covers all such technologies.
2. Why We Use Cookies
iCalculator.net uses cookies and similar technologies for the following purposes:
- To provide and operate the Service — some cookies are essential for the website to function correctly.
- To remember your preferences — for example, your chosen colour theme (light or dark mode) so it persists between visits.
- To analyse usage — we use analytics cookies to understand how visitors interact with the site, which calculators are most popular, and how we can improve the experience.
- To serve relevant advertising — advertising cookies allow us to display advertisements that are relevant to your interests, which funds the free service.
- To measure advertising effectiveness — conversion tracking helps us understand the performance of our marketing efforts.
3. Types of Cookies We Use
3.1 Essential Cookies
These cookies are strictly necessary for the website to function and cannot be switched off. They do not collect personal information for marketing purposes.
- icalc-theme — Stores your theme preference (light or dark mode). Persistent. Set by iCalculator.net. Duration: 1 year.
- csrftoken — Django's Cross-Site Request Forgery protection token. Ensures form submissions are secure. Session cookie.
- sessionid — Standard Django session management cookie. Session cookie.
These cookies cannot be disabled without significantly affecting site functionality.
3.2 Analytics Cookies
These cookies are set by Google Analytics and allow us to count visits and traffic sources so we can measure and improve the performance of the Site. All data collected is anonymised and aggregated.
- _ga — Google Analytics. Registers a unique ID to generate statistical data on how you use the website. Duration: 2 years. Provider: Google LLC.
- _gid — Google Analytics. Registers a unique ID to generate statistical data on how you use the website. Duration: 24 hours. Provider: Google LLC.
- _gat — Google Analytics. Used to throttle request rate. Duration: 1 minute. Provider: Google LLC.
- _ga_[ID] — Google Analytics 4. Used to persist session state. Duration: 2 years. Provider: Google LLC.
3.3 Advertising Cookies
These cookies are used to deliver advertisements that are more relevant to you and your interests. They also limit the number of times you see an ad and help measure the effectiveness of advertising campaigns.
- IDE — Google / DoubleClick. Used by Google AdSense for registering and reporting user actions after viewing or clicking an advertisement. Duration: 13 months. Provider: Google LLC.
- DSID — Google. Used to identify a signed-in user on non-Google sites and to remember whether the user has opted out of personalised advertising. Duration: 2 weeks. Provider: Google LLC.
- FLC — Google DoubleClick. Records which ads have been shown and which have been clicked on. Duration: 10 seconds. Provider: Google LLC.
- _fbp — Facebook Pixel. Used by Facebook to deliver advertising products such as real-time bidding from third-party advertisers. Duration: 3 months. Provider: Meta Platforms, Inc. (if Facebook advertising is active).
- _fbc — Facebook Pixel. Stores the last visit with a Facebook-related click parameter. Duration: 3 months. Provider: Meta Platforms, Inc. (if Facebook advertising is active).
3.4 Functional Cookies
These cookies enable optional enhanced functionality and personalisation. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these features may not function correctly.
- User interface preferences (such as calculator layout or decimal format settings).
- Remembering recently used calculators for quick access.
4. Google AdSense & Advertising Cookies
We use Google AdSense to display advertisements on iCalculator.net. Google AdSense uses cookies and similar technologies to serve ads that are tailored to your interests based on your browsing history across websites that use Google services. These ads are delivered by Google's advertising infrastructure, including the DoubleClick ad network.
Google may use the data collected through AdSense cookies to:
- Show you personalised advertisements based on your browsing interests
- Limit the number of times you see a particular advertisement
- Measure the effectiveness of advertising campaigns
- Report on ad interactions to advertisers
You can manage your Google advertising preferences and opt out of personalised ads by visiting Google Ad Settings. For more information about how Google uses cookies in advertising, visit Google's Advertising Policies & Technologies.
5. How to Control Cookies
You have several options for managing and controlling cookies. Please note that disabling certain cookies may affect the functionality and experience of iCalculator.net.
5.1 Browser Settings
Most web browsers allow you to manage cookies through their settings. You can typically:
- View and delete existing cookies
- Block third-party cookies
- Block cookies from particular websites
- Block all cookies (note: this will break many websites)
- Delete all cookies when you close your browser
Refer to your browser's help documentation for instructions: Chrome, Firefox, Safari, Edge.
5.2 Google Analytics Opt-Out
To opt out of Google Analytics tracking across all websites, install the official Google Analytics Opt-out Browser Add-on.
5.3 Google Ad Settings
Manage or opt out of personalised Google advertising at Google Ad Settings.
5.4 Facebook Ad Settings
Manage your Facebook ad preferences and opt out of interest-based advertising at Facebook Ad Settings.
5.5 Industry Opt-Out Tools
You can also opt out of interest-based advertising from multiple companies at once through:
6. Cookie Consent
By continuing to browse and use iCalculator.net, you consent to our use of cookies and similar tracking technologies as described in this Cookie Policy. When you first visit our site, you may see a cookie consent notice that allows you to accept or manage your cookie preferences.
You may withdraw your consent at any time by adjusting your browser or device settings as described in Section 5 above. Withdrawing consent will not affect the lawfulness of any processing that occurred before your withdrawal.
7. Changes to This Policy
We may update this Cookie Policy from time to time as our use of cookies evolves or in response to changes in law or regulation. Any changes will be posted on this page with an updated "Last updated" date. We encourage you to check this page periodically to stay informed about how we use cookies.
8. Contact Us
If you have any questions about this Cookie Policy or our use of cookies and tracking technologies, please contact us:
- Email: communication.icalculator@gmail.com
- Website: https://www.icalculator.net