w-1/2 Tailwind CSS Class

Half width. The generated CSS output is width: 50%. This page gives you the generated CSS output, a copy-paste example, and an interactive demo for search-friendly utility lookups.

Quick Answer

w-1/2 maps to width: 50%. It belongs to the Sizing category and was generated from Tailwind CSS v4.1.14 reference data.

Interactive Demo

Toggle the utility on and off, switch preview surfaces, and adjust the demo content to see how this class behaves.

w-1/2

This preview simulates the effect of w-1/2 using structured data generated from your Tailwind reference snapshot.

Visual Comparison

w-1/2 adjusts width to 50%, which changes how much space the element can occupy or reserve.

Before
Size preview
After
Size preview
widthSizingsize

Variants & Breakpoints

Use the base utility directly, then layer state or responsive variants when the component needs more specific behavior.

ContextClass syntaxWhy use itPreview
Basew-1/2Apply w-1/2 directly to the element.Default application
smsm:w-1/2Applies from 640px and up.640px
mdmd:w-1/2Applies from 768px and up.768px
lglg:w-1/2Applies from 1024px and up.1024px

Utility Family Comparison

Compare nearby options and related companions so you can choose the right intensity before reaching for trial-and-error tweaks.

When to use this class

Use it when sizing needs to be explicit for cards, media, controls, or layout anchors instead of relying on content length alone.

Watch out for

Avoid locking dimensions too early. Rigid width and height values can break responsive layouts when content, translations, or viewport size change.

Class Reference

FieldValue
Utility classw-1/2
CategorySizing
CSS outputwidth: 50%
Source pageCheat Sheet
Static slugw-1-2

Example Snippet

Use this code snippet as a starting point, then swap the markup around it to fit your component or layout.

html
<div class="w-1/2 rounded-lg bg-slate-200">Sizing preview</div>

Browse More

Return to the Cheat Sheet page for broader browsing, or open the Tailwind CSS Cheat Sheet to move across categories quickly.