HTML th width attribute

Example

Table header cells with a predefined width:

<table border="1" width="100%"> <tr> <th width="70%">Month</th> <th width="30%">Savings</th> </tr> <tr> <td>January</td> <td>$100</td> </tr> <tr> <td>February</td> <td>$80</td> </tr> </table>

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Definition and Usage

The width attribute specifies the width of a table header cell.
Normally, a header cell takes up the space it needs to display the content. The width attribute is used to set a predefined width of a header cell.

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Browser Support

The width attribute is deprecated, but still supported in all major browsers.

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Compatibility Notes

The width attribute of the th element was deprecated in HTML 4.01, and is not supported in XHTML 1.0 Strict DTD.
Use CSS instead.
CSS syntax: <th style="width:100px">

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Syntax

<th width="value">

Attribute Values

Value	Description
pixels	Sets the width in pixels (example: width="50")
%	Sets the width in percent of the surrounding element (example: width="50%")