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Cookie Policy

Last updated: August 2026

1. What Are Cookies?

Cookies are small text files that are placed on your device (computer, tablet, or mobile) when you visit a website. They are widely used to make websites work more efficiently, to remember your preferences, and to provide information to website owners.

2. How We Use Cookies

We use cookies to improve your experience, understand how our website is used, and to tailor content to you. Below is a breakdown of the types of cookies we use:

TypePurposeDuration
Strictly NecessaryEssential for the website to function. Cannot be disabled.Session
FunctionalRemember your preferences such as cookie consent and settings.1 year
AnalyticsHelp us understand how visitors interact with our website.Up to 2 years

3. Strictly Necessary Cookies

These cookies are required for our website to work properly and cannot be switched off. They are usually set in response to actions you take, such as accepting our cookie notice.

4. Performance Cookies

These cookies may collect and report personal data to help us understand how our website is performing, and continuously improve the site and offer you a better browsing experience.

5. Marketing Cookies

These also allow us to see what pages and links users visited so we can provide more personalised advertising. We may share this data with other advertising companies for the same purpose.

6. Functional Cookies

These cookies allow the website to remember choices you have made and provide enhanced, personalised features. For example, we store your cookie acceptance choice in localStorage under the key cookiePreferences so we do not show you the banner on subsequent visits.

7. Analytics Cookies

We may use analytics tools (such as Google Analytics) to collect anonymous information about how visitors use our site. These cookies do not collect any information that could personally identify you.

8. Third-Party Cookies

Some cookies on our site are set by third-party services. We do not control the setting of these cookies and recommend you check the relevant third-party websites for more information.

9. Your Choices and How to Manage Cookies

You have the right to decide whether to accept or reject cookies (other than strictly necessary cookies). You can manage your cookie preferences in several ways:

  • Browser settings: Most browsers allow you to refuse or delete cookies through their settings.
  • Our cookie banner: When you first visit our site, you can accept or dismiss the cookie notice.
  • Opt-out tools: For analytics cookies, you can use the Google Analytics Opt-out Browser Add-on.

10. Legal Basis for Processing (GDPR)

For users in the European Economic Area (EEA), the United Kingdom, and Switzerland, we process cookies in accordance with the GDPR. Our legal bases for processing are:

  • Legitimate interest – for strictly necessary cookies required to deliver the service.
  • Consent – for functional and analytics cookies, obtained via our cookie banner.

11. California Privacy Rights (CCPA)

If you are a California resident, you have the right to know what personal data is collected, the right to delete personal data, and the right to opt-out of the sale of personal data. We do not sell personal data. For further details, please refer to our Privacy Policy.

12. Changes to This Cookie Policy

We may update this Cookie Policy from time to time to reflect changes in technology, legislation, or our data practices. Any changes will be posted on this page with an updated revision date.

Last updated: August 2026

Cookies on Convert & Calculate

We use a small number of cookies to keep the site working and, if you agree, to see which tools are most useful. You can change your choice at any time.