What is a Rem (rem)?
A rem is a CSS unit relative to the font size of the root element (html), typically 16px by default.
Definition
Symbol
rem
Category
CSS Units
System
Digital
1 {unit} = {value} {otherUnit}
1 Rem = 16 Pixel (px)
1 Rem = 1 Em (em)
1 Rem = 12 Point (pt)
1 Rem = 1 Pica (pc)
1 Rem = 0.833333 Viewport Width (vw)
Common Uses
- Responsive typography
- Accessible web design
- Consistent spacing
