Coordinates Lite
Instantly convert between GPS coordinate systems
Requires iPhone or iPod Touch - Free at the App Store
Coordinates Like makes it a snap to convert between the three formats for recording latitude and longitude: decimal degrees, degrees and decimal minutes, and degrees-minutes-seconds. Watch how to use Coordinates Lite.
Just enter the coordinates in the format you have and the conversions are made immediately. All three coordinate notations are displayed at once.
If you would like to use GPS to find your current location, or would like to show your location on a map, try the full version of Coordinates for 99¢ at the App Store.