Privacy Policy

How Cat Calculators collects, uses, and protects your information.

Last updated: May 2026

The short version

All calculators run entirely in your browser. We do not collect or store the cat data you enter.
We use Google Analytics to understand how people use the site (page views, traffic sources). This data is anonymous and aggregated.
We use Google AdSense to display ads. Google may use cookies for ad personalisation.
We do not sell your personal data to third parties.
You can contact us at any time with questions about your data.

1. Who We Are

Cat Calculators (catcalculators.com) is a website providing free cat health and care calculators. It is owned and operated by Olivia Smith. You can contact us at Olivia.catcalculators@gmail.com.

2. What Information We Collect

Information you enter into calculators: All calculators on this site run entirely in your browser using JavaScript. Any cat weight, age, or health data you enter is processed locally on your device and is not transmitted to our servers. We do not store, collect, or have access to the information you enter into any calculator.

Automatically collected information: When you visit our website, certain information is automatically collected through standard web server logs and analytics tools:

  • IP address (anonymised)
  • Browser type and version
  • Operating system
  • Pages visited and time spent on each page
  • Referring website
  • Date and time of visit

Email contact: If you contact us by email, we receive your email address and the content of your message. We use this only to respond to your enquiry and do not add you to any mailing list without your consent.

3. How We Use Your Information

Data typeHow we use itLegal basis
Analytics dataUnderstanding which pages are useful, how people find the site, improving contentLegitimate interests
Email enquiriesResponding to your messageContractual necessity / consent
Ad serving dataDisplaying relevant advertisements via Google AdSenseConsent (cookie banner)

4. Cookies

This website uses cookies. A cookie is a small text file stored on your device when you visit a website.

Essential cookies: Required for basic website functionality. Cannot be disabled.

Analytics cookies (Google Analytics): We use Google Analytics to understand how visitors use the site. Google Analytics collects anonymous, aggregated data about page visits and user behaviour. It does not identify you personally. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

Advertising cookies (Google AdSense): We display advertisements through Google AdSense. Google may use cookies to serve personalised ads based on your browsing history. You can manage your Google ad preferences at adssettings.google.com.

You can control and delete cookies through your browser settings at any time. Disabling cookies may affect the functionality of some parts of this website.

5. Third-Party Services

We use the following third-party services on this website:

We do not sell, trade, or rent your personal information to any third party. We do not share your data with any party other than those listed above, and only to the extent required for their services to function.

6. Data Retention

We retain analytics data for up to 26 months, after which it is automatically deleted by Google Analytics. Email correspondence is retained for as long as necessary to resolve your enquiry, typically no longer than 12 months unless there is an ongoing relationship.

7. Your Rights

Depending on your location, you may have the following rights regarding your personal data:

  • Right to access: Request a copy of the personal data we hold about you
  • Right to rectification: Ask us to correct inaccurate personal data
  • Right to erasure: Ask us to delete your personal data
  • Right to object: Object to processing of your personal data
  • Right to data portability: Request your data in a portable format
  • Right to withdraw consent: Withdraw consent for processing at any time

To exercise any of these rights, contact us at Olivia.catcalculators@gmail.com. We will respond within 30 days.

8. Children’s Privacy

This website is not directed at children under the age of 13. We do not knowingly collect personal information from children. If you believe a child under 13 has provided us with personal information, please contact us and we will delete it promptly.

9. Security

This website is served over HTTPS, which encrypts data in transit between your browser and our server. Since all calculator inputs are processed locally in your browser and never transmitted to our servers, there is no risk of calculator data being intercepted.

While we take reasonable measures to protect the site, no website can guarantee absolute security. If you have a security concern, please contact us immediately.

10. External Links

Our website may contain links to external sites. Once you leave our site, this Privacy Policy no longer applies. We recommend reading the privacy policy of any external site you visit. We are not responsible for the privacy practices of external websites.

11. Changes to This Policy

We may update this Privacy Policy from time to time. When we do, we will update the “Last updated” date at the top of this page. Significant changes will be noted in the summary box at the top of this page. Continued use of the site after changes are posted constitutes acceptance of the updated policy.