Converting Units In Web Development: Px, Rem, Em Explained
rem = px / root font size`. For example, if root font size is 16px, then `1rem = 16px`, `2rem = 32px`.
Introduction In web development, selecting the right measurement units is crucial for creating designs that are responsive, accessible, and scalable. Whether you're building layouts, setting typography, or adjusting spacing, understanding the differences between units like pixels (px), root em (rem), and em is essential. These units serve distinct purposes: px offers precision as an absolute unit, while rem and em provide flexibility as relative units, allowing designs to adapt seamlessly across devices and user preferences. The ability to convert between these units—such as from px to rem, r...