Pixel to REM Converter

Convert between CSS pixels (px) and rem units instantly. Set a custom base font size — default is 16px.

px
Typically set by html { font-size: ...px; }

Pixels → REM

px
rem

REM → Pixels

rem
px

Common Conversions (base: 16px)

pxrempxrem

Batch px to rem

Enter one px value per line — get the rem equivalent for all at once.