Video thumbnail for UNITS vs INSUNITS: Why Your Blocks Scale Wrong. #autocad #engineeringdesign #autocadblocks

UNITS vs INSUNITS: Why Your Blocks Scale Wrong. #autocad #engineeringdesign #autocadblocks

Feb 14, 2026
If your AutoCAD drawing is the wrong size, changing the UNITS command will not fix it. AutoCAD stores only numbers — not millimeters or inches. The UNITS setting controls how those numbers are displayed, not how big the geometry actually is. In this short demo, I show: • Why changing UNITS doesn’t rescale objects • What actually changes inside the drawing • The correct way to fix a wrongly scaled drawing using SCALE If you work in AutoCAD, this is something you must understand early. Follow for more clear, practical AutoCAD concepts.