• UTM zone 31N

  EPSG:16031
  Area of use: Between 0°E and 6°E, northern hemisphere between equator and 84°N, onshore and offshore.
  

• ED50 / UTM zone 31N to ETRS89 / UTM zone 31N (1)

  EPSG:5166
  Area of use: Spain - Catalonia onshore.
  

• UTM zone 31N with prefix

  EPSG:5647
  Area of use: Germany - onshore and offshore west of 6°E.
  

• Amersfoort / RD New to ED50 / UTM zone 31N (1)

  EPSG:1044
  Area of use: Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.
  

• Amersfoort / RD New to ED50 / UTM zone 31N (2)

  EPSG:1046
  Area of use: Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.
  

• BD72 / Lambert 72 to ED50 / UTM zone 31N (1)

  EPSG:1048
  Area of use: Belgium - onshore.
  

• ED50 / UTM zone 31N to Amersfoort / RD New (1)

  EPSG:6303
  Area of use: Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.
  

• ED50 / UTM zone 31N to Amersfoort / RD New (2)

  EPSG:6304
  Area of use: Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.
  

• ED50 / UTM zone 31N to BD72 / Lambert 72 (1)

  EPSG:6305
  Area of use: Belgium - onshore.
  

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