px to rem CSS Converter
Convert Pixel to Root em. Assumes 16px = 1rem at the default 16px root font-size and 1920×1080 viewport. Adjust root context below for precise rem/em/vw/vh calculations.
Input Pixel
px
Result Root em
rem
Context
Common values
12px 0.75rem
14px 0.875rem
16px 1rem
18px 1.125rem
20px 1.25rem
24px 1.5rem
32px 2rem
48px 3rem
64px 4rem