Privacy Policy
Last updated: June 23, 2025
Our Commitment to Your Privacy
At CalculateHow, we are committed to protecting your privacy and ensuring you feel confident about how your information is handled. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your personal data.
The Short Version: We don't collect, store, or track your personal information or calculations. CalculateHow works entirely in your browser without sending data to our servers.
Information We Don't Collect
- ✗Your calculations, formulas, or mathematical inputs
- ✗Personal information (names, addresses, phone numbers)
- ✗Email addresses (unless you contact us directly)
- ✗Device identifiers or fingerprinting data
- ✗Location data or GPS coordinates
- ✗Browsing history or usage patterns
How Our Calculators Work
Client-Side Processing
All calculations are performed locally in your web browser. When you enter numbers and click calculate, your data never leaves your device.
No Server Communication
Once our website loads, your calculations work completely offline. We don't send your inputs to our servers for processing.
Basic Web Analytics
Like most websites, we may collect basic, anonymous information about website usage to help us improve our service:
- iNumber of visitors (without identifying who they are)
- iWhich pages are most popular
- iGeneral geographic region (country/state level only)
- iBrowser type and device category (desktop/mobile)
This information is aggregated and anonymous - we cannot trace it back to individual users.
Contact Information
If you contact us directly via email (help@calculatehow.com), we will only use your email address to respond to your inquiry. We do not add email addresses to mailing lists or share them with third parties.
Note: Email communications are retained only as long as necessary to address your inquiry, typically no more than 30 days.
Cookies and Local Storage
Essential Functionality
We may use local browser storage to remember your preferences (like dark mode settings) to improve your experience. This data never leaves your device.
No Tracking Cookies
We do not use advertising cookies, social media tracking pixels, or any form of cross-site tracking technology.
Third-Party Services
CalculateHow is designed to minimize reliance on third-party services:
- • Web Hosting: Our website is hosted on secure servers, but no user data is stored
- • CDN Services: We may use content delivery networks to make our site load faster
- • Analytics: If used, analytics are configured to respect user privacy and anonymize data
Your Rights
Since we don't collect personal data, there's no personal information to access, correct, or delete. However, you have the right to:
- • Use our calculators without providing any personal information
- • Clear your browser's local storage at any time
- • Contact us with questions about this privacy policy
- • Request information about any data processing (though we have none to share)
Changes to This Policy
We may update this Privacy Policy occasionally to reflect changes in our practices or for legal reasons. Any changes will be posted on this page with an updated "Last updated" date.
Given our minimal data collection approach, significant changes to this policy are unlikely.
Questions?
If you have any questions about this Privacy Policy or our privacy practices, please don't hesitate to contact us.
📧 Contact Us