Coordinate transformations to ED50

The EPSG Geodetic Parameter Dataset defines official transformations from 6 coordinate reference systems to ED50 (EPSG:4230). Each page lists the published parameters, accuracy and area of use, with a free in-browser converter.

• Amersfoort → ED50±1.5 m
• FD54 → ED50±0 m
• Monte Mario → ED50±0.1 m
• NTF → ED50±2 m
• NTF (Paris) → ED50±2 m
• OSGB36 → ED50±2 m