CSS Unit Converter – Free Online Tool | Trencada
Developer & Encoding Tools
4.3
Active
Updated May 17
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Tool Interface
Convert CSS units instantly — px to rem, px to em, rem to px, em to px and more. Set your root font size and see every equivalent value at once.
Convert
Quick values (px)
All equivalents
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How it works
- Enter a value and pick its unit, or tap a quick value.
- Set your base font size (usually 16px — the browser default root size).
- Copy any row or grab the whole set as a CSS comment block.
- rem is relative to the root font size; em is relative to the parent element's font size — with the same base they convert identically.
- Points use the CSS standard of 96px per inch (1pt = 1.333px).
100% private — everything runs in your browser, nothing is uploaded.
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Tool Information
Category
Developer & Encoding Tools
Updated
May 17
Status
Active
Rating
4.3
Type
Free Tool
22,744 people used this tool
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