Coordinate transformations to CGVD2013a(1997) height

The EPSG Geodetic Parameter Dataset defines official transformations from 4 coordinate reference systems to CGVD2013a(1997) height (EPSG:20035). Each page lists the published parameters, accuracy and area of use, with a free in-browser converter.

• CGVD28 height → CGVD2013a(1997) height±0.05 m
• CGVD28(HTv2.0) height → CGVD2013a(1997) height±0.03 m
• NAD83(CSRS)v2 → CGVD2013a(1997) height±0.05 m
• NAD83(CSRS)v3 → CGVD2013a(1997) height±0.05 m