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>


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.

Browser Support

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

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">

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%")
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