Home / Transformation Kertau (RSO) to WGS 84 (1) EPSG:4751 → EPSG:4326 Coordinate Reference Systems Source CRS EPSG:4751 Kertau (RSO) Geographic 2D Target CRS EPSG:4326 WGS 84 Geographic 2D Remarks Step 1 is necessary to rescale the grid units before using step 2.