1. Who We Are
OnlineCalculators.us.com is operated by Online Calculators Research Lab, LLC, 1309 Coffeen Avenue, Suite 3200, Sheridan, Wyoming 82801, United States. Email: legal@onlinecalculators.us.com.
2. Information We Collect
We collect minimal data necessary to operate the site:
- Usage Data: Standard server access logs (IP address, browser type, pages visited, referrer URL, timestamp). This data is retained for up to 90 days and then permanently deleted.
- Calculator Inputs: All values you enter into our calculators are processed ephemerally in-memory within your browser. Input values are never transmitted to, stored on, or logged by our servers.
- Cookie Consent Choice: We store your Accept/Decline choice as a
cookieConsentkey in your browser'slocalStorage. This does not identify you personally.
3. Cookies & Advertising (Google AdSense)
If you click Accept All on our cookie banner, we load Google AdSense on the site. Google uses cookies (including the DART cookie) to serve personalized advertisements based on your browsing history across websites that use Google services.
You may opt out of personalized advertising at any time via: Google Ad Settings or the NAI opt-out tool.
If you click Decline, no advertising cookies are loaded. We do not serve any ads without your consent.
4. Data Retention
- Server access logs: maximum 90 days, then deleted.
- Calculator inputs: never stored — ephemeral in-memory processing only.
- Cookie consent preference: stored locally in your browser until you clear site data.
5. Your Rights — GDPR (EEA/UK) & CCPA/CPRA (California)
Depending on your location, you have the following rights regarding your personal data:
- Right of Access: Request a copy of data we hold about you.
- Right to Erasure ("Right to be Forgotten"): Request deletion of your personal data.
- Right to Restrict Processing: Request that we limit how we use your data.
- Right to Data Portability: Receive your data in a portable format.
- Right to Object: Object to processing based on legitimate interests or for direct marketing.
- Right to Opt-Out of Sale (CCPA/CPRA): We do not sell personal information. This right is automatically satisfied.
To exercise any of these rights, contact us at legal@onlinecalculators.us.com. We will respond within 30 days (GDPR) or 45 days (CCPA/CPRA) of receipt.
6. Third-Party Services
- Google AdSense: Advertising — Google Privacy Policy
- Google Fonts: Typography delivery via Google CDN — no personal data shared beyond standard HTTPS request headers.
7. Children's Privacy
Our service is not directed to children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided personal data, contact us immediately at legal@onlinecalculators.us.com.
8. Changes to This Policy
We may update this Privacy Policy periodically. Changes will be reflected by updating the "Last updated" date above. Continued use of the site after changes constitutes acceptance of the revised policy.
9. Contact
For any privacy-related inquiry, contact us at legal@onlinecalculators.us.com or via our Contact page.