Posted by aman on Feb 18, 2021; 4:27pm
URL: https://forum.librecad.org/Need-help-with-part-Library-tp5720235p5720236.html

You have to solve which units that larger is, then calculate the ratio and use Tools => Modify => Scale. You might need a few trials to get it right.

Maybe some guide had better explanation, don't remember now and a bit busy so can't check. Anyways I'd recommend to get familiar to docs, links are at the top of the main page.