Geographic Co-ordinate conversion....° ' and '' to ° and decimal minutes

[NigelTheDrog]

I need a formulae to convert degrees, minutes, seconds (and decimals - eg 55° 51' 02.3305) to degrees and decimal minutes (eg 55° 51.0388425').
I have 116 () lats. and longs to convert and doing them manually is taking an age and very prone to errors!
Many thanks in advance.
NigelTheDrog

 

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[TD="colspan: 15"]I need a formulae to convert degrees, minutes, seconds (and decimals - eg 55° 51' 02.3305) to degrees and decimal minutes (eg 55° 51.0388425').[/TD]
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[TD]I have 116 ([/TD]
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[TD="align: left"]

) lats. and longs to convert and doing them manually is taking an age and very prone to errors!

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[TD="colspan: 2"]Many thanks in advance.[/TD]
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[TD]NigelTheDrog[/TD]
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[TD]55 51 39[/TD]
[TD]deg min sec[/TD]
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[TD="colspan: 6"]here you need only see what 39secs is as a dec minute[/TD]
[TD]39/60 =[/TD]
[TD="align: right"]0.65[/TD]
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[TD]55 51.65[/TD]
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[TD]55 51 2.3305[/TD]
[TD="colspan: 2"]deg min decsecs[/TD]
[TD="colspan: 6"]here you need only see what 2.3305 secs is as a dec minute[/TD]
[TD]2.3305/60[/TD]
[TD="align: right"]0.038842[/TD]
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[TD="colspan: 2"]55 51.038842[/TD]
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[TD="colspan: 3"]is there more to it than this[/TD]
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[TD="colspan: 7"]you can tell which calculation is required by testing for the presence of a "."[/TD]
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