Privacy policy

Last updated: October 22, 2026. Operator: Frost & Furrow. Contact: [email protected].

What the calculators do with your data

All calculations run in your browser. The numbers you type are not sent to us or stored on a server.

Hosting logs

Our host, Cloudflare Pages, may process technical data such as IP addresses and request logs to deliver and protect the site. See Cloudflare's privacy policy.

Analytics

We do not use analytics.

Advertising and cookies

[When ads are enabled — required by most networks, e.g. Google AdSense:] Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on visits to this and/or other sites. Users may opt out of personalized advertising by visiting Google's Ads Settings. [Add a consent banner / CMP if you serve users in the EEA, UK or other regions that require one; add US state privacy notices if applicable.]

Affiliate links

Some links are affiliate links. When you click one, the retailer may set a cookie to attribute a purchase. See the affiliate disclosure.

Children

This site is not directed to children under 13.

Changes

We will update this page and its date when practices change.