Guide: EM vs REM vs PX Which should you use?

px to rem  CSS type casting? How to add px and rem using calc()? Assume I have variables with the following values: 32px and 1rem I need to combine Final notes · Use preprocessors to abstract the calculations using a px to rem converter function · Use em only for sizing that needs to scale

Px to Rem converter is a simple Chrome extension that converts px to rem and rem to px in real time, allowing to copy the converted value to the clipboard  NEW: Switching from px to rem in Figma's Dev Mode Easy as cake! On the right-hand side of your window, you will see a toggle that allows you to

EM vs REM vs PX – Why you shouldn't “just use pixels” · Pixels are ignorant, don't use them · Use REMs for sizes and spacing · Use EMs for Learn about best practices and considerations when using em, rem, and px for sizing in CSS and how they affect accessibility