Privacy Policy
Last updated: May 27, 2026 | Effective: January 1, 2024
Calculator2.net ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains what information we collect, how we use it, and what rights you have regarding your data when you visit calculator2.net and use our free online calculator tools.
By using Calculator2.net, you agree to the terms described in this Privacy Policy. If you do not agree with any part of this policy, please discontinue use of the site.
1. Information We Collect
Calculation Inputs — NOT Collected: When you use any calculator on our site, the values you enter are processed entirely within your browser. We do not transmit, store, or log your calculation inputs on our servers. Your financial figures, health metrics, and personal data never leave your device.
Usage Data (Automatically Collected): Like most websites, we automatically collect certain technical data when you visit our site. This includes your IP address (anonymized), browser type, operating system, referring URL, pages visited, and time spent on pages. This data is used solely for understanding site performance and is never sold.
Contact Form Data: If you submit a message through our Contact Us page, we collect your name, email address, and message content. This data is used only to respond to your inquiry and is deleted within 90 days after your query is resolved.
Account Data (Optional): If you choose to create a free account, we collect your username and email address. Account creation is entirely optional — all calculators work without an account.
2. How We Use Your Information
We use the information we collect for the following purposes: operating and improving the Calculator2.net platform, responding to your support inquiries and feedback, analyzing aggregate usage patterns to understand which calculators are most useful, preventing fraud and ensuring site security, and complying with legal obligations.
We do not sell your personal information to third parties. We do not use your data for targeted advertising based on your personal profile. We do not share your data with data brokers or lead generation services.
3. Cookies and Tracking Technologies
We use cookies and similar tracking technologies to enhance your experience on Calculator2.net. Specifically we use the following types of cookies:
Essential Cookies: Required for the site to function correctly. These include session cookies, theme preference storage (dark or light mode), and security tokens for form submissions. You cannot opt out of essential cookies as they are necessary for the site to work.
Analytics Cookies: We use Google Analytics to understand how visitors use our site. Google Analytics collects anonymized information such as page views, session duration, and device type. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.
Advertising Cookies: We use Google AdSense to display non-intrusive advertisements that support the free operation of this platform. Google AdSense may use cookies to show you relevant advertisements based on your interests. You can control ad personalization through Google's Ad Settings.
4. Google AdSense and Advertising
Calculator2.net uses Google AdSense, a third-party advertising service provided by Google LLC, to display advertisements on our pages. Google AdSense uses cookies (including the DoubleClick cookie) to serve ads based on your prior visits to our site and other websites across the internet.
Google's use of advertising cookies enables it and its partners to serve ads based on your visit to this site and to other sites on the internet. You may opt out of personalized advertising by visiting Google's Ads Preferences Manager. Alternatively, you can opt out of third-party vendor use of cookies by visiting the Network Advertising Initiative opt-out page.
5. Third-Party Services
Calculator2.net integrates with the following third-party services that have their own privacy policies:
Google Analytics (analytics.google.com) — Website analytics. Privacy policy: policies.google.com/privacy
Google AdSense (google.com/adsense) — Advertisement delivery. Privacy policy: policies.google.com/privacy
Google Fonts (fonts.googleapis.com) — Web typography. Your IP address may be transmitted to Google to load fonts. Privacy policy: policies.google.com/privacy
We are not responsible for the privacy practices of these third-party services. We encourage you to review their respective privacy policies.
6. Data Retention
We retain different categories of data for different periods. Analytics data is retained for 26 months before automatic deletion in Google Analytics. Contact form submissions are retained for 90 days and then permanently deleted. Account data is retained for as long as your account is active, or 2 years of inactivity, after which we will notify you before deletion. Server log files are retained for 30 days for security purposes.
7. Your Rights
Depending on your location, you may have the following rights regarding your personal data:
Right to Access: You may request a copy of any personal data we hold about you.
Right to Deletion: You may request that we delete your personal data. Note that we can only delete data we actually hold — we cannot delete data held by Google Analytics or AdSense on your behalf.
Right to Opt Out: You may opt out of analytics tracking and ad personalization as described in the Cookies section above.
To exercise any of these rights, please contact us at privacy@calculator2.net. We will respond within 30 days.
8. Children's Privacy
Calculator2.net does not knowingly collect personal information from children under the age of 13. Our calculators are suitable for all ages as educational tools, but we do not target users under 13 with data collection or advertising. If you believe a child under 13 has provided us with personal information, please contact us and we will promptly delete it.
9. Security
We implement appropriate technical and organizational measures to protect the personal data we hold against unauthorized access, disclosure, alteration, or destruction. These measures include HTTPS encryption for all data in transit, access controls on our systems, and regular security reviews. However, no internet transmission is 100% secure, and we cannot guarantee absolute security.
10. Changes to This Policy
We may update this Privacy Policy from time to time to reflect changes in our practices, technology, or legal requirements. When we make material changes, we will update the "Last Updated" date at the top of this page. We encourage you to review this policy periodically to stay informed about how we protect your information.
11. Contact Information
If you have any questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us:
Email: privacy@calculator2.net
Website: calculator2.net/contact-us
Response time: Within 30 days for formal privacy requests; 2-3 business days for general inquiries.