Using a NumberFormatter to format a number to two decimal places
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" backgroundColor="white"> <mx:XML id="myData"> <root> <item name="weight" value="2.5" /> </root> </mx:XML> <mx:NumberFormatter id="fmtNumber" precision="2" /> <mx:Label text="Weight {fmtNumber.format(myData.item.@value)}lbs" /> </mx:Application>