Privacy Policy
Last updated: 2026-07-02
Welcome to The Online Calculator (the-online-calculator.com). We care about your privacy. This page explains what data we process, why we process it, and how you can control your choices. Our calculators run entirely in your browser; calculations are not sent to our servers.
Who we are
Controller: The Online Calculator
Contact: contact@the-online-calculator.com
What data we process
- Usage data (analytics, optional): page views, device type, approximate region, referrer. We only collect this if you consent via our cookie banner.
- Advertising data (optional): if you enable ads, our ad partners may set cookies or use device identifiers to show and measure ads.
- Contact messages (optional): if you email us or use our contact form, we receive your message and the details you provide.
- Server logs: standard web server logs (IP address, user‑agent, URL, timestamp) for security and troubleshooting. These are rotated and retained for a limited period.
What we do not collect
- No account creation, no passwords.
- No calculator inputs are stored server‑side.
- No sensitive categories (e.g., health, religion) are intentionally collected.
Cookies and similar technologies
We use cookies only if you opt in:
- Analytics cookies: to understand traffic and improve performance.
- Advertising cookies: to display relevant ads and measure their performance.
- Essential cookies: to remember your consent choice and basic site preferences.
You can change your choice anytime via the consent banner. If you previously accepted, clear your cookies or use the button below to re-open the banner.
Legal bases (GDPR)
- Consent: analytics and advertising.
- Legitimate interest: security, fraud prevention, service reliability (server logs).
- Contract/Pre-contractual steps: responses to contact requests you initiate.
Data retention
- Analytics data: per the settings of our analytics provider, typically 14–26 months.
- Ad data: per the policies of our ad partners.
- Server logs: typically 30–90 days, unless required for security/legal reasons.
- Contact messages: as long as needed to handle your request, or until you ask us to delete them.
Sharing and processors
We may use service providers as processors, for example:
- Analytics: Google Analytics (only after consent), or privacy‑friendly alternatives.
- Advertising: Google AdSense / partners (only after consent).
- Hosting/CDN: our hosting and content delivery providers to serve the site.
We do not sell personal data.
Google AdSense advertising
We use Google AdSense to display advertisements on this site. Google and its partners are third-party vendors that use cookies to serve ads based on your prior visits to this website and other websites on the internet:
- Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this site and/or other sites on the internet.
- You may opt out of personalised advertising by visiting Google Ads Settings.
- You can also opt out of some third-party vendors' use of cookies for personalised advertising at www.aboutads.info/choices.
- For visitors in the European Economic Area and the UK, personalised ads are only shown after you give consent via our cookie banner. If you decline, non-personalised ads may still be shown; these rely on contextual information rather than your browsing history.
For more details on how Google uses data when you use our site, see How Google uses information from sites or apps that use its services.
International transfers
Your data may be processed outside your country. Where required, we rely on appropriate safeguards (e.g., standard contractual clauses) provided by our processors.
Your rights
Depending on your location, you may have rights to access, correct, delete, restrict, or object to processing, and to withdraw consent. To exercise these rights, contact us at contact@the-online-calculator.com.
Children’s privacy
Our site is intended for general audiences and not directed to children under 13. We do not knowingly collect personal information from children.
Changes to this policy
We may update this policy from time to time. We will post the new version here and update the “Last updated” date.
Contact
Questions about this policy? Email contact@the-online-calculator.com.
Disclaimer
While we strive to ensure all calculator results on The Online Calculator are accurate and reliable, they are provided for general informational purposes only. No rights can be derived from the results or data generated by our calculators. We make no guarantees regarding completeness, correctness, or suitability for any specific purpose. Users are encouraged to verify results independently before relying on them for financial, legal, or professional decisions.