• Black Sea height to Black Sea depth

  EPSG:8354
  Area of use: Georgia - onshore.
  

• Baltic 1977 height to Baltic 1977 depth

  EPSG:8060
  Area of use: Armenia; Azerbaijan; Belarus; Estonia
  

• NGVD29 height (ftUS) to NGVD29 height (m)

  EPSG:7972
  Area of use: United States (USA)
  

• NGVD29 height (ftUS) to NGVD29 depth (ftUS)

  EPSG:7978
  Area of use: United States (USA)
  

• 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 (1994)

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• Operation (80)

•    Transformation (52)
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•    Conversion (24)

• Datum (13)

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• Area (55)