The short version: We do not collect, store or sell your personal data. All calculations happen in your browser. We use cookies for advertising and analytics purposes, as described below.
1. Who We Are
CalculatorsHub.us is a free online calculator and tools website. This Privacy Policy explains how we handle information when you use our website at calculatorshub.us.
Questions? Contact us at hello@calculatorshub.us.
2. Data We Collect
Calculator inputs: All calculations run entirely in your browser using JavaScript. No calculation data is ever transmitted to our servers. We have no database of your inputs, results, or financial information.
Usage data: We may collect standard analytics data through third-party services, including pages visited, time on site, browser type, device type, and approximate location at country/city level. This data is aggregated and anonymous.
Cookies: We use cookies as described in our Cookie Policy. These are used for advertising, analytics, and remembering your preferences.
Contact emails: If you email us, we retain your email and message to respond. We do not add you to any mailing list without your explicit consent.
3. How We Use Your Data
- Operate and improve our calculators and website
- Understand how visitors use our site through aggregate analytics
- Serve relevant advertisements through our advertising partners
- Respond to your emails and support requests
- Comply with legal obligations
4. Advertising
CalculatorsHub.us is supported by display advertising. We work with third-party advertising networks — which may include Google AdSense and other advertising partners — to display ads on our pages.
These advertising partners may use cookies and similar tracking technologies to serve ads based on your browsing history across websites. You can opt out of interest-based advertising at:
Opting out does not reduce the number of ads you see — it means ads may be less relevant to your interests.
5. Third-Party Services
- Analytics: Services that help us understand site usage (e.g., Google Analytics)
- Advertising networks: Services that display ads on our site
- IP geolocation: Our World Clock uses a third-party API to detect your approximate location for displaying local time. No data is stored by us.
6. Your Rights
Depending on your location, you may have rights to access, delete, or port your personal data, and to object to certain processing. Because we collect minimal data, most requests can be fulfilled by clearing your browser cookies and cache. For specific requests: hello@calculatorshub.us.
7. GDPR — EU Users
EU users have additional rights under GDPR. Our legal basis for processing is legitimate interest (analytics, site improvement) and consent (advertising cookies where required). You may withdraw consent at any time via your cookie preferences.
8. CCPA — California Users
We do not sell personal information as defined under the CCPA. California residents have the right to know what data we collect, request deletion, and opt out of sale (which we do not engage in).
9. Children's Privacy
Our site is not directed at children under 13. We do not knowingly collect data from children under 13. If you believe a child has provided personal information, contact us and we will delete it promptly.
10. Changes to This Policy
We may update this policy periodically. Changes will be posted on this page with an updated date. Continued use of our site after changes constitutes acceptance of the updated policy.
11. Contact
Email: hello@calculatorshub.us
Website: calculatorshub.us