Many geocachers use the Personal Cache Note field on geocaching.com to store useful information, such as corrected coordinates.
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Cachetur.no is capable of reading koordinates coordinates in decimal minutes (with and without a degree symbol ° )
You will find this tool in "Edit trip"-->" Detect coordinates in cache notes".
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A list of all caches in your trip, where you have stored a user note in will appear.(In this example I have just put the caches posted coordinates in my user notes, and changed the last digit from a 4 to a 5, the virtual is at the original posted coordinates... 
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