Terms of use

Last updated October 6, 2026.

Size and Spec provides measurements, drawings and calculators for general reference. We check figures against the standards and sources listed on each page, but products and local rules vary. Confirm critical dimensions with the manufacturer or the governing standard before you cut, build, buy or ship.

The tools run in your browser and are provided as is, without warranty. We are not liable for losses from relying on a figure or calculation.

You may quote individual measurements with a link to the page. Do not copy the site’s pages or datasets in bulk without permission.