Last Updated: May 10, 2026
This Cookie Policy explains how Calqro.com (“we,” “us,” or “our”) uses cookies and similar tracking technologies on our website. It describes what these technologies are, why we use them, and your rights to control our use of them.
This policy should be read alongside our Privacy Policy, which provides additional details on how we collect and process your personal data.
By continuing to use our website, you consent to our use of cookies in accordance with this policy. If you do not agree, you can disable cookies via your browser settings or our cookie consent banner.
1. What Are Cookies?
Cookies are small text files that websites place on your device (computer, tablet, or smartphone) when you visit them. They help websites remember information about your visit, such as your preferred language, login status, or browsing activity, which can make your next visit easier and the site more useful.
In addition to cookies, we may use similar tracking technologies such as:
- Web beacons (also called pixel tags) that track user behavior.
- Local storage that stores data on your device.
- Session storage that stores temporary data during your visit.
- Tracking scripts from analytics and advertising partners.
Throughout this policy, the term “cookies” refers to all of these technologies collectively.
2. Why We Use Cookies
We use cookies for several important reasons:
- To make our website work properly (essential cookies).
- To analyze how visitors use our site so we can improve performance and user experience.
- To deliver relevant advertising through trusted partners like Google AdSense.
- To remember your preferences such as language or display settings.
- To protect against fraud and abuse of our services.
We do not use cookies to collect or track your individual calculator inputs. All calculations on Calqro.com are processed in your browser and are not transmitted to our servers.
3. Types of Cookies We Use
🟢 Essential Cookies (Strictly Necessary)
Purpose: These cookies are required for the website to function properly. They enable core features such as page navigation, security, and accessibility.
Examples:
- Session identification
- Cookie consent preferences
- Security and fraud prevention
Can be disabled? No. Essential cookies cannot be disabled because the website would not function without them.
📊 Analytics & Performance Cookies
Purpose: These cookies help us understand how visitors interact with our website by collecting anonymous usage data, such as which pages are visited most often, time spent on pages, and any error messages encountered.
Provider Examples:
- Google Analytics (GA4) — collects aggregated, anonymized website traffic data.
Data Collected:
- IP address (anonymized)
- Browser and device type
- Pages visited and time on site
- Referral sources
Can be disabled? Yes. You can opt out via our cookie consent banner or your browser settings.
📢 Advertising & Targeting Cookies
Purpose: These cookies are used to deliver advertisements that are more relevant to you and your interests. They may also limit the number of times you see an ad and measure the effectiveness of advertising campaigns.
Provider Examples:
- Google AdSense — displays advertisements based on your browsing activity.
- DoubleClick (Google) — manages ad delivery and measurement.
- Other ad networks as listed in our cookie consent banner.
Data Collected:
- Browsing history across websites
- Device and browser information
- Approximate geographic location
- Ad interaction history
Can be disabled? Yes. You can manage advertising cookies via:
- Our cookie consent banner
- Google’s Ads Settings
- Industry opt-out tools at YourAdChoices (US) or Your Online Choices (EU)
🎨 Functional & Preference Cookies
Purpose: These cookies allow our website to remember choices you make (such as preferred language, region, or display settings) to provide a more personalized experience.
Examples:
- Language preferences
- Display mode (light/dark, if applicable)
- Recently used calculators (if feature exists)
Can be disabled? Yes. Disabling these cookies may affect your user experience.
4. Third-Party Cookies
Some cookies on Calqro.com are placed by third-party services that we use to enhance our website and deliver advertisements. These third parties have their own privacy and cookie policies.
Major Third-Party Cookie Providers
| Provider | Purpose | Privacy Policy |
|---|---|---|
| Google Analytics | Website traffic analysis | Google Privacy Policy |
| Google AdSense | Advertising display and measurement | Google Privacy Policy |
| DoubleClick | Ad delivery and tracking | Google Privacy Policy |
| Cloudflare (or similar CDN) | Performance and security | Cloudflare Privacy Policy |
We do not control these third-party cookies. Please review the privacy policies of these providers for full details on how they process your data.
5. Cookie Duration
Cookies have different lifespans:
Session Cookies
- Lifespan: Deleted automatically when you close your browser.
- Purpose: Temporary functionality during your visit.
Persistent Cookies
- Lifespan: Remain on your device for a set period (anywhere from 24 hours to 24 months).
- Purpose: Remember preferences and analyze long-term usage patterns.
The exact duration of each cookie varies. You can view detailed cookie information via our cookie consent banner or by inspecting cookies through your browser’s developer tools.
6. Your Cookie Choices & Consent
We respect your right to control how cookies are used on your device.
🍪 Cookie Consent Banner
When you first visit Calqro.com, you will see a cookie consent banner giving you the following options:
- Accept All — Allow all cookies (essential, analytics, advertising, functional).
- Reject Non-Essential — Allow only essential cookies required for site functionality.
- Customize Preferences — Choose specific categories of cookies to allow or block.
You can update your cookie preferences at any time by clicking the “Cookie Settings” link in our website footer.
🌐 Browser-Level Controls
Most modern browsers allow you to control cookies through their settings. You can:
- View which cookies are stored on your device
- Block cookies from specific websites or third parties
- Delete cookies after each browsing session
- Block all cookies entirely (note: this may break site functionality)
Browser Cookie Settings Links:
📵 Opting Out of Targeted Advertising
You can opt out of personalized advertising via:
- Google Ads Settings: https://adssettings.google.com
- Network Advertising Initiative (NAI): https://optout.networkadvertising.org
- Digital Advertising Alliance (DAA): https://optout.aboutads.info
- European Interactive Digital Advertising Alliance (EDAA): https://www.youronlinechoices.eu
7. Do Not Track Signals
Some browsers offer a “Do Not Track” (DNT) feature that signals to websites that you do not want to be tracked. Currently, there is no industry standard for how websites should respond to DNT signals. Calqro.com does not currently respond to DNT signals, but we honor user preferences expressed through our cookie consent banner and supported opt-out mechanisms.
8. GDPR Compliance (EU Users)
If you are located in the European Economic Area (EEA) or United Kingdom, you have specific rights under the General Data Protection Regulation (GDPR), including:
- Right of access to your personal data
- Right to rectification of inaccurate data
- Right to erasure (“right to be forgotten”)
- Right to restrict processing of your data
- Right to data portability
- Right to object to processing
- Right to withdraw consent at any time
For non-essential cookies, we obtain your explicit consent via our cookie banner before placing them on your device. You may withdraw this consent at any time without affecting the lawfulness of processing based on consent before its withdrawal.
To exercise any of these rights, contact us at privacy@calqro.com.
9. CCPA Compliance (California Users)
If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA) and the California Privacy Rights Act (CPRA), including:
- Right to know what personal information is collected
- Right to delete personal information
- Right to opt out of the “sale” or “sharing” of personal information
- Right to non-discrimination for exercising these rights
- Right to limit use of sensitive personal information
To exercise these rights, visit our Privacy Policy or contact us at privacy@calqro.com.
We do not sell personal information in the traditional sense. However, the use of advertising cookies may qualify as “sharing” under CCPA. You can opt out via our cookie consent banner.
10. Children’s Privacy
Calqro.com does not knowingly use cookies to collect personal information from children under the age of 13. If you believe a child has provided personal information through our site, please contact us at privacy@calqro.com so we can promptly delete it.
11. Changes to This Cookie Policy
We may update this Cookie Policy from time to time to reflect changes in technology, legislation, or our practices. The “Last Updated” date at the top of this page indicates the most recent revision.
We encourage you to review this policy periodically to stay informed about how we use cookies. Continued use of Calqro.com after changes are posted constitutes acceptance of the updated policy.
12. Contact Us
If you have questions, concerns, or requests regarding this Cookie Policy or our use of tracking technologies, please contact us:
📧 Privacy Email: privacy@calqro.com 📧 General Email: hello@calqro.com 🔗 Contact Page: https://www.calqro.com/contact 🌐 Website: https://www.calqro.com
Quick Summary
Calqro.com uses cookies to make our site work, understand how visitors use it, and show relevant ads. You can accept all cookies, reject non-essential ones, or customize your preferences via our cookie banner. Your calculator inputs are never tracked. Browser controls and opt-out tools are always available. Your privacy is respected at every step.
Calqro.com Free Online Calculators. Privacy-First Approach. Transparent Cookie Use.