• NAD27 to WGS 84 (29)

  EPSG:8497
  Area of use: United States (USA) - Alaska including EEZ.
  

• St. Lawrence Island to WGS 84 (1)

  EPSG:8388
  Area of use: United States (USA) - Alaska - St Lawrence Island.
  

• St. Paul Island to WGS 84 (1)

  EPSG:8390
  Area of use: United States (USA) - Alaska - Pribilof Islands - St Paul Island.
  

• St. George Island to WGS 84 (1)

  EPSG:8392
  Area of use: United States (USA) - Alaska - Pribilof Islands - St George Island.
  

• NAVD88 height to NAVD88 height (ftUS)

  EPSG:7988
  Area of use: United States (USA)
  

• NAVD88 height (ftUS) to NAVD88 depth (ftUS)

  EPSG:7990
  Area of use: United States (USA)
  

• NAVD88 height to NAVD88 depth

  EPSG:7989
  Area of use: Mexico
  

• NAD83(NSRS2007) geocentric to geog3D

  EPSG:15588
  Area of use: Puerto Rico
  

• NAD83(NSRS2007) geog3D to geog2D

  EPSG:15589
  Area of use: Puerto Rico
  

• NAD83(HARN) geocentric to geog3D

  EPSG:15526
  Area of use: American Samoa
  

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Type of results

• Coordinate reference systems (1831)

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•    Geodetic (18)
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•    Geocentric (10)
•    Vertical (4)
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• Operation (85)

•    Transformation (39)
•    Compound (4)
•    Conversion (42)

• Datum (10)

•    Vertical (1)
•    Geodetic (9)

• Area (68)