RD / Amersfoort to WGS84 Coordinate Converter
Free online tool to convert coordinates from Amersfoort / RD New (Netherlands) (EPSG:28992) to World Geodetic System 1984 (lat/lng) (EPSG:4326). Professional-grade accuracy using proj4, zero install, runs in your browser.
About RD / Amersfoort
Amersfoort / RD New (Netherlands) (EPSG:28992). Dutch national grid centered on Amersfoort. Used for all surveying, cadastre and engineering in the Netherlands since 1885 (modernized 1918).
About WGS84
World Geodetic System 1984 (lat/lng) (EPSG:4326). The global reference system used by GPS, Google Maps and virtually all modern navigation. Defined by satellite geodesy and continuously refined.
Frequently Asked Questions
What is the difference between RD / Amersfoort and WGS84?
RD / Amersfoort (EPSG:28992) is national grid and based in Netherlands, while WGS84 (EPSG:4326) is geographic based in Global. Dutch national grid centered on Amersfoort. Used for all surveying, cadastre and engineering in the Netherlands since 1885 (modernized 1918). In contrast, the global reference system used by gps, google maps and virtually all modern navigation. defined by satellite geodesy and continuously refined.
Is this conversion accurate for surveying?
Yes. The conversion uses the industry-standard proj4 library with full datum shift parameters (including seven-parameter Helmert transformation for RD / Amersfoort). Typical accuracy is sub-meter for civilian applications. For cadastral precision, always verify against the official agency datum.
What coordinate format should I use?
For RD / Amersfoort, enter coordinates as easting, northing in meters (e.g. 514500, 5033880). The tool auto-detects the format.
Can I convert many points at once?
Yes, use our batch CSV converter. Upload a CSV with your points, select the transformation, download the converted file. Free with a SurveyingPedia account.
Is there an API?
Yes — call /api/v1/transform?from=EPSG:28992&to=EPSG:4326&coords=lat,lng for programmatic access. It returns the transformed coordinates as JSON.