REM to PX Converter

Convert relative rem values to precise pixel units

Switch to PX→REM
rem
px

Default browser root font-size is 16px

Common Sizes

Why Convert to PX?

While REM units provide scalability, sometimes you need exact pixel values for:

This converter helps bridge the gap between relative and absolute units.

REM to PX Conversion Formula

pixels = rem × base font size

For example, with a base font size of 16px:

  • 1rem = 1 × 16px = 16px
  • 1.5rem = 1.5 × 16px = 24px
  • 2rem = 2 × 16px = 32px

When to Use Each Unit

Use REM for:

  • Font sizes
  • Margins & padding
  • Responsive layouts
  • Elements that should scale

Use PX for:

  • Border widths
  • Box shadows
  • Fixed-size elements
  • Fine-tuned adjustments

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