Privacy Policy

Last updated: October 27, 2026

What you enter in the calculators

All calculations run in your browser. The numbers and parts you enter are not sent to us or stored on our servers.

Advertising

This site shows ads served by Google and its partners. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this site and/or other sites on the internet.

You can opt out of personalized advertising by visiting Google's Ads Settings. You can also opt out of some third-party vendors' use of cookies for personalized advertising at aboutads.info.

Visitors in some regions, such as the European Economic Area and the UK, will be asked for consent before personalized ads or non-essential cookies are used.

Analytics

We may use privacy-friendly analytics to count page visits and see which tools are most useful. This data is aggregated and not used to identify you.

Fonts and icons

Pages load their typeface from Google Fonts and their icons from unpkg.com. Like any web request, this shares your IP address and browser details with those services. They don't receive anything you enter in the calculators.

Links to other sites

Some pages link to other websites. We aren't responsible for their content or privacy practices.

Children

This site is not directed at children under 13, and we don't knowingly collect information from them.

Changes

We may update this policy from time to time. The date at the top shows when it last changed.

Contact

Questions about this policy: hello@example.com