width and height of the iframe

<iframe src="" width="" height="">

Browser
Internet Explorer Firefox Opera
Type
Inline-block

The width and height attributes of the IFRAME element specifies the width and height of the iframe.

<iframe src="example.html" width="300" height="100"> - </iframe>

Attribute Value Explanation
width=" " pixels or % the size of the width
height=" " pixels or % the size of the height
Tips and Notes

This can be specified with CSS. Please see the "Related Document" for details on CSS.

Example

<p><iframe src="iexample_b.html" width="300" height="100">Alternate content</iframe></p> 

<p><iframe src="iexample_c.html" width="100%" height="100">Alternate content</iframe></p>
Output