Privacy Policy

What Data We Collect

Short answer: Almost nothing. All calculations on CalcHub run entirely in your browser. We do not collect, store, or transmit any of your calculation inputs or results to our servers.

Data We Do NOT Collect

• Your calculation inputs (numbers, amounts, rates)
• Your calculation results
• Any personal financial information
• Your name, email, or any account information (we don't have accounts)

Data We Do Collect

• Analytics data: We use Google Analytics to understand how visitors use our site. This includes pages visited, time on site, browser type, device type, and approximate geographic location (country/city level). This data is aggregated and cannot identify individual users.
• Theme preference: Your dark/light mode preference is stored in your browser's localStorage (never sent to our servers).

Advertising

CalcHub displays advertisements to support free access to our calculators. Our advertising partners may use cookies and similar technologies to serve relevant ads. These third parties may collect information about your visits to this and other websites.

You can opt out of personalized advertising by visiting:

• Google: adssettings.google.com
• NAI Opt-Out: optout.networkadvertising.org
• DAA Opt-Out: optout.aboutads.info

Cookies

We use cookies for:

• Analytics: Google Analytics cookies to measure site usage
• Advertising: Third-party cookies from our ad partners for ad delivery and measurement

You can control cookies through your browser settings. Blocking cookies will not affect calculator functionality.

GDPR (European Users)

If you are in the European Economic Area, you have the right to access, rectify, or delete any personal data we hold about you. Since we collect minimal data (only aggregated analytics), there is typically no personal data to manage. Contact us if you have questions.

CCPA (California Users)

California residents have the right to know what personal information is collected, request deletion, and opt out of the sale of personal information. We do not sell personal information. Our ad partners may collect data as described above.

Children's Privacy

CalcHub is not directed at children under 13. We do not knowingly collect personal information from children.

Changes to This Policy

We may update this policy occasionally. Changes will be posted on this page with an updated "Last updated" date.

Contact

For privacy questions, contact us at privacy@thiscalc.com.