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+---
+title: CSS units Cheat Sheet
+type: cheatsheet
+tags: css,layout,cheatsheet
+authors: chalarangelo
+cover: blog_images/measuring.jpg
+excerpt: Learn everything you need to know about CSS units with this handy cheatsheet.
+---
+
+- `px`: Absolute pixel value
+- `rem`: Relative to the `font-size` of the root element
+- `em`: Relative to the `font-size` of the element
+- `%`: Relative to the parent element
+- `vw`: Relative to the viewport's width, `1vw` = `1%` * viewport width
+- `vh`: Relative to the viewport's height, `1vh` = `1%` * viewport height
+- `vmin`: Relative to the viewport's smaller dimension, `1vmin` = min(`1vh`, `1vw`)
+- `vmax`: Relative to the viewport's larger dimension, `vmax` = max(`1vh`, `1vw`)
+- `ch`: Relative to the width of the glyph "0" of the element's font
+- `in`: Inches `1in` = `2.54cm` = `96px`
+- `pc`: Picas `1pc` = `1in` / `6` = `16px`
+- `pt`: Points `1pt` = `1in` / `72` = `1.333px` (approximately)
+- `cm`: Centimeters `1cm` = `96px` / `2.54` = `37.8px` (approximately)
+- `mm`: Millimeters `1mm` = `1cm` / `10` = `3.78px` (approximately)
+
+**Image credit:** [Sharon Sivertsen](https://unsplash.com/@sharon223?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText) on [Unsplash](https://unsplash.com?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText)