Percent to EM Converter

How percent to em conversion works

Percentages are relative to a reference size. EM is relative to the parent font size. This tool converts percent to pixels using your reference, then divides by the parent font size to get em.

Formula: (percent ÷ 100) × reference size = pixels; pixels ÷ parent font size = em.

When to use em

• Component typography that should scale with a parent
• Spacing and sizing inside a module without hard-coded px
• Layouts that respect user font size preferences

Limitations

EM compounds when nested. For root-relative sizing use rem; try the Percent to REM converter.