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Asked: 2026-06-08T08:24:06+00:00

I need to convert the following to decimal coordinates for consumption by a Google

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I need to convert the following to decimal coordinates for consumption by a Google map. These are artficial reefs off the coast of Florida USA. When I use the following tool for example: http://www.earthpoint.us/BatchConvert.aspx The resulting coordinates that are output are somewhere in China. What am I doing wrong?

Description Longitude   Latitude
3 WALTER LIMESTONE UNITS, 1 ECOSYSTEM REEF ON BASE & 1 GROUPER UNITS    85 41.758   29 47.187
1 WALTER LIMESTONE UNITS, 1 ECOSYSTEM REEF ON BASE & 3 GROUPER UNITS    85 32.558   29 55.222
4 WALTER LIMESTONE UNITS AND 1 ECOSYSTEM REEF ON BASE   85 32.577   29 55.063
5 WALTER LIMESTONE UNITS AND 1 ECOSYSTEM REEF ON BASE   85 32.638   29 54.549
5 WALTER LIMESTONE UNITS AND 3 ECOSYSTEM REEF ON BASE   85 32.69    29 54.25
2 WALTER LIMESTONE UNITS AND 1 ECOSYSTEM REEF ON BASE   85 32.362   29 55.253
47 FT LONG X 14 FT WIDE X 10 FT TALL FERRO-CEMENT SAILBOAT-FUNDED BY MBARA  85 32.405   29 54.385
2 WALTER LIMESTONE UNITS    85 32.362   29 55.253
8 WALTER LIMESTONE UNITS,2 ECOSYSTEM REEF ON BASE & 3 GROUPER UNITS 85 32.542   29 55.438
8 WALTER LIMESTONE UNITS AND 1 ECOSYSTEM REEF ON BASE   85 32.36    29 54.567
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1 Answer

  1. Editorial Team

    It seems the minus is missing in your coordinates in longitude column.
    And this format is DD MM.MMM (decimal degrees, minutes). So this

    3 WALTER LIMESTONE UNITS, 1 ECOSYSTEM REEF ON BASE & 1 GROUPER UNITS    85 41.758   29 47.187

    is converted to 

    29.78645 (lat); -84.30403 (lon)

    That’s nearby Florida. You may use this converter:
    http://andrew.hedges.name/experiments/convert_lat_long/

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