Last updated: February 7, 2026
Cookies are small text files stored on your device when you visit a website. They help the site remember your preferences and understand how you use it.
These are necessary for the site to function properly.
| Cookie | Purpose | Duration |
|---|---|---|
cookie_consent |
Remembers your cookie preference | 1 year |
PHPSESSID |
Admin session (admin area only) | Session |
These remember your preferences in the calculator tools (e.g., last used settings). They are stored in your browser's localStorage, not as traditional cookies, and are never sent to our servers.
If you consent to analytics, we may use services like Google Analytics to understand how visitors use the site. These cookies track:
Analytics data is anonymized and used solely to improve the site.
If you consent to advertising cookies, third-party ad services (such as Google AdSense) may set cookies to show relevant ads. You can manage ad preferences at Google Ads Settings.
You can control cookies in several ways:
Blocking essential cookies may affect site functionality (e.g., admin login).
Some cookies may be set by third-party services embedded on our site. We do not control these cookies. Please refer to the respective privacy policies:
Questions about our cookie policy? Contact us.