At CM Calculator, we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, and share limited information when you use our calculators, browse our content, and interact with the site.
None. Our conversion tool does not require registration, login, or any personal information. You can use all conversion features without providing your name, email, or any identifying information.
When you visit CM Calculator, we may automatically collect:
- Usage Data: Which conversions you perform, pages you visit, time spent on site
- Device Information: Browser type, operating system, screen resolution, IP address (anonymized)
- Performance Data: Page load times, calculation speed, error logs
- Cookie and Preference Data: Cookie identifiers, consent choices, and preference signals used to remember settings and understand site usage
We use cookies and similar technologies to operate the site, remember preferences, and understand usage. See our Cookie Policy for details.
We use the collected information to:
- Improve our conversion tool: Understand which conversions are most popular
- Enhance performance: Optimize page load times and calculation accuracy
- Fix technical issues: Identify and resolve bugs
- Analyze trends: Understand usage patterns to add useful features
- Support product decisions: Review aggregated usage patterns so we can improve calculator coverage, content, and site performance
We do NOT:
- Sell your information to third parties
- Store your conversion values on our servers longer than needed to complete the request
- Use your personal information for unrelated direct marketing without your consent
We use the following third-party services:
- Purpose: Understand how visitors use our tool
- Data collected: Page views, session duration, device type (anonymized)
- Privacy policy: Google Analytics Privacy
- Purpose: Content delivery and DDoS protection
- Data collected: IP addresses (for security), request logs
- Privacy policy: Cloudflare Privacy
- Consent choices: Where required by law, we ask for consent before using non-essential analytics cookies or personalization features.
- Browser controls: You can block or delete cookies in your browser settings.
- Analytics controls: You can use privacy-focused browser settings, extensions, or opt-out tools to limit analytics collection.
- Usage data: Retained for 26 months (Google Analytics default)
- Performance logs: Retained for 90 days
- Consent and preference data: Retained only as long as needed to honor your settings and comply with applicable law
- Session data: Cleared when you close your browser
Your rights depend on your location. You may have rights to access, delete, correct, or restrict certain personal data, and to opt out of some analytics or cookie uses. Your calculations are processed in real time and are not stored on our servers as part of the calculator result itself.
If you want to stop data collection:
- Clear your browser cookies
- Use browser privacy/incognito mode
- Install browser extensions that block analytics
We implement industry-standard security measures:
- HTTPS encryption for all connections
- Regular security updates
- No storage of conversion values on our servers
- Restricted third-party scripts and security headers where possible
CM Calculator is accessible worldwide. Your data may be processed in different countries where our service providers operate. We use contractual, technical, and policy controls intended to support applicable data protection laws.
Our calculators are suitable for general audiences. We do not knowingly collect personal information from children under 13.
We may update this Privacy Policy from time to time. The "Last Updated" date at the top indicates when changes were last made. Continued use of CM Calculator after changes constitutes acceptance of the updated policy.
If you have questions about this Privacy Policy, please contact us at contact page.