Free online CSS unit converter
| Unit | Name | Description |
|---|---|---|
| px | Pixels | Absolute unit. 1px = 1/96th of an inch on screen. |
| em | Em | Relative to the font-size of the parent element. |
| rem | Root Em | Relative to the font-size of the root element (<html>). |
| vw | Viewport Width | 1vw = 1% of the viewport width. |
| vh | Viewport Height | 1vh = 1% of the viewport height. |
| % | Percent | Relative to the parent element's size. Context-dependent. |
| pt | Points | 1pt = 1/72nd of an inch. Common in print stylesheets. |
| cm | Centimeters | Absolute unit. 1cm = 96px / 2.54. |
| mm | Millimeters | Absolute unit. 1mm = 1/10th of a centimeter. |
| in | Inches | Absolute unit. 1in = 96px = 2.54cm. |
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