Privacy policy

Last updated October 21, 2026

This policy explains what information nailthemath.com ("we") collects and how it is used.

Calculator inputs

Calculations run entirely in your browser. The measurements you enter are not sent to our servers. They appear in the page address so you can share or bookmark a result. Your unit preference (imperial or metric) is stored in your browser's local storage.

Analytics

We may use Google Analytics to understand how visitors use the site, such as which pages are popular. It collects information like pages visited, approximate location, device and browser type, using cookies. This data is aggregated and is not used to identify you personally.

Advertising

We use 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 based on your visits to this site and/or other sites on the Internet.

You can opt out of personalised advertising in Google Ads Settings, or opt out of some third-party vendors' use of cookies at aboutads.info. To learn more, see how Google uses information from sites that use its services.

Visitors in the EEA, UK and Switzerland are shown a consent message, provided through Google's certified consent management platform, before personalised ads or non-essential cookies are used.

Your rights

Depending on where you live (for example under the GDPR or CCPA/CPRA), you may have rights to access, delete or opt out of the sale or sharing of personal information. We do not sell personal information. Contact hello@nailthemath.com for any privacy request.

Children

This site is not directed at children under 13, and we do not knowingly collect their information.

Changes

We may update this policy. The date at the top shows the latest revision.