Home / Transformation RT90 to WGS 84 (1) EPSG:4124 → EPSG:4326 Deprecated Coordinate Reference Systems Source CRS EPSG:4124 RT90 Geographic 2D Target CRS EPSG:4326 WGS 84 Geographic 2D Remarks Approximation at the +/- 1m level assuming that ETRF89 is equivalent to WGS 84.