Not the lat/lon converter app your looking for?
Get Location  Help  Clear  Enter coordinates in any format and then clic the "Convert Coordinates" button in the upper right corner of the page.

jQuery Mobile Framework

Conversion Options click to collapse contents 

Example: 45°:14':6.44465" N, 76°:14':4.75575" W
Comma Space 
Colon 
YesNo
YesNo
YesNo

Welcome. Type or paste your latitude/longitude coordinate(s) into the input text box. You can paste or type coordinates in any combination of formats and convert them all to a standard format. You can specify the desired format to convert to in the "Conversion Options" section.