CSS px to rem Converter

Convert CSS pixel values to rem and back. Set a custom base font size and see quick reference values for common sizes.

Quick reference (base 16px)

pxrempxrem8px0.5rem10px0.625rem12px0.75rem14px0.875rem16px1rem18px1.125rem20px1.25rem24px1.5rem32px2rem40px2.5rem48px3rem64px4rem

How to use

  1. Set the base font size (default 16px).
  2. Enter a px value to get rem, or a rem value to get px.
  3. Use the quick reference table for common sizes.

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