Privacy Policy
Last updated: 22 July 2026
Calcooly("we", "us") respects your privacy. This policy explains what information is and isn't collected when you use calcooly.com.
The numbers you type stay with you
Every calculator on Calcooly runs entirely in your web browser. The values you enter — weights, salaries, dates, passwords and everything else — are processed on your own device and are never sent to, or stored on, our servers.
Information collected automatically
Like most websites, our hosting provider and analytics may collect standard technical information such as your approximate location (country), browser type, device type, and the pages you visit. This is used only to understand overall traffic and keep the site working.
Cookies and advertising
Calcooly is free to use and is supported by advertising. We may use third-party advertising partners, including Google AdSense, to show ads.
- Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites.
- Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to our site and/or other sites on the Internet.
- You may opt out of personalised advertising by visiting Google Ads Settings. You can also opt out of third-party vendor cookies at aboutads.info.
Children's privacy
Calcooly is a general-audience tool and is not directed at children under 13. We do not knowingly collect personal information from children.
Your consent
By using Calcooly, you consent to this privacy policy. We may update it from time to time; changes will be posted on this page with a new "last updated" date.
Contact
Questions about this policy? Email us at hello@calcooly.com.