SO fiddle
Test Fiddle mainly for SO Questions
by Nick Craver
HTML
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/overcast/jquery-ui.css">
<DIV id="myDiv" style="height:auto; width:78;overflow:hidden"> Simple Test</DIV>
CSS
#myDiv { padding: 5px; margin: 5px; }
JavaScript
var div = $("#myDiv");
alert(".height(): " + div.height() +
"\n.innerHeight(): " + div.innerHeight() +
"\n.outerHeight(): " + div.outerHeight());