CSS Tools
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CSS Units Converter
Enter a pixel size and root font size to see rem/em/% equivalents for typography and spacing.
Features
- px input
- Configurable root size
- rem/em/% output
How to use CSS Units
- 1Enter px and root size.
- 2Copy rem if needed.
Examples
16px root
Input24pxOutput
1.5rem
About CSS Units
CSS Units Converter translates pixel measurements into rem/em/percentage values using your chosen root font size.
Frequently asked questions
Shown as equal to rem assuming root context.
No.
Not included in this version.