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REM to PX Converter

Convert rem values to pixels for any root font size, with a reference table of common rem sizes.

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About the REM to PX Converter

Reading a design system or Tailwind config in rem and need to know the pixel size? Multiply by the root font size. Enter a rem value and your root size to get pixels instantly. A reference table lists the most common rem sizes.

How to use it

  1. Enter the rem value.
  2. Adjust the root font size if needed.
  3. Copy the pixel value.

Good to know

  • The actual pixel size depends on the user's browser settings when your CSS respects them.

Frequently asked questions

What is 1.25rem in px?

20px at a 16px root.

What is Tailwind's spacing unit?

Tailwind's spacing scale step 1 equals 0.25rem (4px at the default root).

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