Convert Latitude/Longitude to decimal degree value

Question

I have lat/long value in this format

5,141,456,024   -231,146,115

I want to convert these values in to decimal degree like

51.3758010864258 -2.35989999771118

I have 25K records which I want to convert into decimal degree

Thanks

Answer 1

There's no built-in function in c#, you should do it by hand (just coding the proper formula)

Anyway, there are quite a lot of examples on GoogleNet

e.g. link

Answer 2

Step 1: Find out what the first set of Coordinates represent

Step 2: Remember basic algebra from middle school

Step 3: Devise a method to convert them to the WGS84 scheme

Step 4: Implement ...

Seriously, do your own homework.