Cookie Policy

Last Updated: 20 January 2026

1. What Are Cookies?

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

Cookies help us understand how you use our calculator, remember your preferences, and improve your experience.

2. Types of Cookies We Use

2.1 Essential Cookies

These cookies are necessary for the website to function properly. They enable core functionality such as security, network management, and accessibility.

Cookie NamePurposeDuration
cookie-consentStores your cookie consent preferences12 months
themeRemembers your dark/light mode preferencePersistent

Note: Essential cookies do not require consent as they are necessary for the website to function.

2.2 Analytics Cookies

We use analytics cookies to understand how visitors interact with our website. This helps us improve the calculator and user experience.

Cookie NamePurposeDuration
_gaGoogle Analytics - distinguishes users2 years
_ga_*Google Analytics - maintains session state2 years
_gidGoogle Analytics - distinguishes users24 hours

Your consent: Analytics cookies are only set if you accept optional cookies via our cookie banner.

2.3 Advertising Cookies

We use Google AdSense to display advertisements on our website. These cookies help show relevant ads and measure ad performance.

Cookie NamePurposeDuration
IDEGoogle DoubleClick - ad serving and targeting13 months
NIDGoogle - stores preferences and information6 months
__gadsGoogle AdSense - measures ad effectiveness13 months

Your consent: Advertising cookies are only set if you accept optional cookies via our cookie banner.

2.4 Performance Cookies

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us know which pages are the most and least popular.

3. Third-Party Cookies

Some cookies are set by third-party services that appear on our pages:

4. How to Manage Cookies

4.1 Cookie Banner

When you first visit our website, you'll see a cookie consent banner. You can choose to:

  • Accept all cookies: Essential, analytics, and advertising cookies will be enabled
  • Reject optional cookies: Only essential cookies will be enabled
  • Manage preferences: View this cookie policy and make informed choices

4.2 Browser Settings

Most web browsers allow you to control cookies through their settings. You can:

  • View cookies stored on your device
  • Delete existing cookies
  • Block cookies from being set
  • Set preferences for specific websites

Note: Blocking all cookies may prevent the calculator from functioning properly.

4.3 Google Advertising Settings

You can opt out of personalised advertising by visiting Google Ads Settings.

4.4 Browser-Specific Instructions

5. Cookie Consent and Google Consent Mode v2

We implement Google Consent Mode v2 to ensure compliance with privacy regulations. This means:

  • Analytics and advertising cookies are blocked until you give consent
  • We respect your "Do Not Track" browser settings
  • You can withdraw consent at any time by clearing your cookies or adjusting browser settings
  • We only collect anonymised data when consent is denied

6. Updates to This Cookie Policy

We may update this cookie policy from time to time to reflect changes in our practices, technologies, or legal requirements. The "Last Updated" date at the top of this page indicates when the policy was last revised.

7. More Information

For more information about how we process your personal data, please see our Privacy Policy.

If you have questions about our use of cookies, please contact us using the details provided in the footer.