EM to Percent Converter

Convert EM to percentage, suitable for responsive web design

What are EM and Percent?

EM is a relative unit based on the font size of the parent element. Percent is a representation of the font size relative to the parent element's font size.

Usage Instructions

  1. Set the parent element's font size (default is 16px)
  2. Input the EM value to convert
  3. Click the "Convert" button or press Enter to get the result
  4. Use the "Copy" button to copy the conversion result
px
em
0 %

Calculation formula: % = (em × parent element font size) ÷ parent element font size × 100

Common Conversion Examples

  • 1em = 100% (when the parent element's font size equals the root element's font size)
  • 0.5em = 50%
  • 1.5em = 150%
  • 2em = 200%