I have an point location and the information given is:

Easting: 519122.06

Northing: 1290630.07

Original thought was it's UTM, but does not appear to be correct because I know the point needs to be in Florida. Is there another system similar to UTM? I need to convert these to decimal degrees.

  • epsg.io/?q=florida gives 90 possibilities, may be you need to ask the data supplier
    – Ian Turton
    Dec 23, 2015 at 15:13
  • Thank you for giving @radouxju enough information to answer your question!
    – mkennedy
    Dec 23, 2015 at 17:00

1 Answer 1


There are two UTM zones covering Florida : 16 and 17, but you are indeed not going anywhere with your coordinates. Northing with UTM starts at 0 at the equator, so you would be 1290 km North of the equator in UTM (which is far too South)

My best guess in NAD83/Florida West, with map unit in US feet (you fall in Hillsborough bay), :Florida West

but you should be aware that there could be other possibilities. For instance, it could also be NAD83/Florida East, then you are right in the center

Florida East

  • That's where the point should be! how did you convert it? I had originally used the UTM zone 17 @radouxju
    – user56486
    Dec 23, 2015 at 15:22
  • It should definitely be Florida West 0902 and that point is right where it should be it. Now, I'm just unsure of how to take all the points I have in this format and plot them in arcmap. @radouxju
    – user56486
    Dec 23, 2015 at 15:25
  • Thank you! I think I have it figured out, I guess I was unsure and thinking it was UTM and didn't realize a state plane could be formatted like that.
    – user56486
    Dec 23, 2015 at 15:29
  • use "define projection" to change the coordinate system of your points into Florida West. DO NOT use project.
    – radouxju
    Dec 23, 2015 at 15:30

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