Coordinate transformations to SIRGAS 2000

The EPSG Geodetic Parameter Dataset defines official transformations from 8 coordinate reference systems to SIRGAS 2000 (EPSG:4674). Each page lists the published parameters, accuracy and area of use, with a free in-browser converter.

• Aratu → SIRGAS 2000±0.5 m
• Chua → SIRGAS 2000±5 m
• Corrego Alegre 1961 → SIRGAS 2000±2 m
• Corrego Alegre 1970-72 → SIRGAS 2000±2 m
• POSGAR 2007 → SIRGAS 2000±0.1 m
• SAD69 → SIRGAS 2000±1 m
• SAD69(96) → SIRGAS 2000±0.5 m
• SIRGAS 1995 → SIRGAS 2000±0.006 m