REM to EM Converter

Convert REM to EM, suitable for responsive web design

px
rem
0 em

Calculation method: rem × (parent element font size) = em

REM to EM Conversion Instructions

EM is a unit relative to the font size of the parent element. By entering the REM value and the parent element font size, you can calculate the corresponding EM value.

Common Conversion Values (based on 16px parent element font size):

  • 1rem = 1em (assuming parent element is 16px)
  • 2rem = 2em (assuming parent element is 16px)
  • 0.5rem = 0.5em (assuming parent element is 16px)

Usage Instructions:

  1. Set the parent element font size (default 16px)
  2. Enter the REM value
  3. Get the corresponding EM value

Usage Tips:

  • Suitable for responsive design
  • Calculated based on parent element font size
  • Accurate to 3 decimal places