Last updated: 22 October 2026
What the site collects
Nothing. StemCost has no analytics, no advertising code, no cookies, no fingerprinting and no third-party embeds. Fonts, styles and scripts are served from this site rather than from an external font or script host, so opening a page does not contact anyone else.
Recipes you save
Saved recipes are written to your browser's local storage under the key stemcost.recipes.v1. They stay on that device and are visible only to you through this site. They are not transmitted anywhere. You can remove them by deleting each recipe in the saved list, or by clearing site data in your browser.
Downloads
The CSV export is assembled in your browser from the values already on the page. The file is saved by your browser's normal download mechanism; no copy is sent to this site.
Server logs
The pages are delivered by Cloudflare Pages, which processes requests in order to serve them. This site does not add any tracking to that delivery and does not build profiles from it. There is no cookie set by this site.
If you send a message to contact@wheelchairrampcalculator.com, the address and contents are used to read and answer it. They are not added to a mailing list and are not sold or shared for marketing.
Children
The site is a business calculator for florists and is not directed at children. It collects no personal information from anyone.
Changes
If the site ever adds a feature that changes any of the above — for example, an optional account for syncing recipes — this page will describe it before the feature ships, and the date at the top will change. Until then, the statement stands: nothing leaves your browser.