Lambert 93 to ETRS89 UTM 32N Coordinate Converter
Free online tool to convert coordinates from RGF93 / Lambert-93 (France mainland) (EPSG:2154) to ETRS89 / UTM zone 32N (Germany west) (EPSG:25832). Professional-grade accuracy using proj4, zero install, runs in your browser.
About Lambert 93
RGF93 / Lambert-93 (France mainland) (EPSG:2154). The official projection of metropolitan France since 2000. Covers all mainland France + Corsica in a single system with minimal distortion.
About ETRS89 UTM 32N
ETRS89 / UTM zone 32N (Germany west) (EPSG:25832). German official system for western Länder. ETRS89 is the European Terrestrial Reference System, the de-facto standard for EU surveying.
Frequently Asked Questions
What is the difference between Lambert 93 and ETRS89 UTM 32N?
Lambert 93 (EPSG:2154) is national grid and based in France, while ETRS89 UTM 32N (EPSG:25832) is utm based in Germany. The official projection of metropolitan France since 2000. Covers all mainland France + Corsica in a single system with minimal distortion. In contrast, german official system for western länder. etrs89 is the european terrestrial reference system, the de-facto standard for eu surveying.
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 Lambert 93, 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:2154&to=EPSG:25832&coords=lat,lng for programmatic access. It returns the transformed coordinates as JSON.