Last updated: October 31, 2026
Your measurements
Calculations run in your browser, and we don't ask for an account. As you type, your numbers are added to the page address so the page can be reloaded or shared. Anyone you send that link to can see them, and our hosting and advertising providers may receive the address if the page is loaded with those numbers in it. Don't enter personal information in the calculators.
Information stored in your browser
We use your browser's local storage to remember your buy list and your choice of units. This stays on your device. You can remove the list with Clear list or by clearing your browser data.
Advertising
This site may show ads from Google AdSense. Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on visits to this site and other sites on the internet.
You can opt out of personalized advertising throughGoogle's My Ad Center, and learn more athow Google uses information from sites that use its services. You can also opt out of some third-party vendors' personalized ads ataboutads.info. Where the law requires it, visitors are asked for consent before personalized ads are shown.
Server logs
Our hosting provider may keep standard technical logs, such as IP addresses and pages requested, to operate and protect the service.
If you email us, we use your address and message only to reply and keep a record of the conversation.
Children
This site is not directed at children under 13, and we do not knowingly collect their information.
Changes and contact
We will update this page if these practices change. Questions can be sent tohello@diybuylist.com.