CSS Unit Converter
Convert between CSS units like px, rem, em, vh, vw. Free, fast, and works entirely in your browser with no sign-up required.
Input
16px
= 16 px
tw: spacing-4
tw: text-base
Device Viewport Presets
Viewport: 1440×900px
All Units — Real-time Conversion
| Unit | Name | Value | CSS | Tailwind | |
|---|---|---|---|---|---|
px | Pixels | 16 | 16px | 4 | |
rem | Root EM | 1 | 1rem | 4 | |
em | EM | 1 | 1em | 4 | |
vw | Viewport Width | 1.11111 | 1.11111vw | ||
vh | Viewport Height | 1.77778 | 1.77778vh | ||
vmin | Viewport Min | 1.77778 | 1.77778vmin | ||
vmax | Viewport Max | 1.11111 | 1.11111vmax | ||
pt | Points | 12 | 12pt | 4 | |
pc | Picas | 1 | 1pc | 4 | |
cm | Centimeters | 0.42333 | 0.42333cm | 4 | |
mm | Millimeters | 4.23333 | 4.23333mm | 4 | |
in | Inches | 0.16667 | 0.16667in | 4 | |
ex | x-height | 2 | 2ex | 4 | |
ch | Character Width | 1.66667 | 1.66667ch | 4 | |
% | Percentage | 1.11111 | 1.11111% | 4 |
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