ETRS89 UTM 33N to WGS84 Coordinate Converter
Free online tool to convert coordinates from ETRS89 / UTM zone 33N (Germany east) (EPSG:25833) to World Geodetic System 1984 (lat/lng) (EPSG:4326). Professional-grade accuracy using proj4, zero install, runs in your browser.
About ETRS89 UTM 33N
ETRS89 / UTM zone 33N (Germany east) (EPSG:25833). Used for eastern German Länder, Berlin, Mecklenburg-Vorpommern and Saxony. Extends into Poland and Scandinavia.
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 ETRS89 UTM 33N and WGS84?
ETRS89 UTM 33N (EPSG:25833) is utm and based in Germany, while WGS84 (EPSG:4326) is geographic based in Global. Used for eastern German Länder, Berlin, Mecklenburg-Vorpommern and Saxony. Extends into Poland and Scandinavia. 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 (). 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 ETRS89 UTM 33N, 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:25833&to=EPSG:4326&coords=lat,lng for programmatic access. It returns the transformed coordinates as JSON.