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Cookie Policy

What cookies this site uses.

Essential cookies

None are currently required for core site or calculator functionality — calculators run entirely client-side without cookies.

Analytics cookies

If analytics cookies are enabled in future, they will be listed here by name and purpose, with information on how to opt out, before being switched on.

Advertising cookies

If advertising is enabled in future (e.g. via Google AdSense), this section will be updated to describe the specific cookies used and link to relevant opt-out tools, in line with UK PECR/GDPR requirements.

► Necessary Cookies Always Active

Necessary cookies enable essential site features like secure log-ins and consent preference adjustments. They do not store personal data.

► Functional Cookies Remark

Functional cookies support features like content sharing on social media, collecting feedback, and enabling third-party tools.

► Analytical Cookies Remark

Analytical cookies track visitor interactions, providing insights on metrics like visitor count, bounce rate, and traffic sources.

► Advertisement Cookies Remark

Advertisement cookies deliver personalized ads based on your previous visits and analyze the effectiveness of ad campaigns.