Gauss-Boaga West to ETRF2000 UTM 32N Coordinate Converter
Free online tool to convert coordinates from Monte Mario / Italy zone 1 (Gauss-Boaga West) (EPSG:3003) to ETRF2000 / UTM zone 32N (Italy modern) (EPSG:6707). Professional-grade accuracy using proj4, zero install, runs in your browser.
About Gauss-Boaga West
Monte Mario / Italy zone 1 (Gauss-Boaga West) (EPSG:3003). Italian national grid for western Italy (west of 12° longitude — Piemonte, Lombardia, Liguria, Toscana, Lazio). Historical system, still widely used in cadastral and survey workflows.
About ETRF2000 UTM 32N
ETRF2000 / UTM zone 32N (Italy modern) (EPSG:6707). Modern Italian reference frame based on ETRF2000. Official successor to Gauss-Boaga for new surveys, required for public works since 2011.
Frequently Asked Questions
What is the difference between Gauss-Boaga West and ETRF2000 UTM 32N?
Gauss-Boaga West (EPSG:3003) is national grid and based in Italy, while ETRF2000 UTM 32N (EPSG:6707) is utm based in Italy. Italian national grid for western Italy (west of 12° longitude — Piemonte, Lombardia, Liguria, Toscana, Lazio). Historical system, still widely used in cadastral and survey workflows. In contrast, modern italian reference frame based on etrf2000. official successor to gauss-boaga for new surveys, required for public works since 2011.
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 Gauss-Boaga West). 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 Gauss-Boaga West, 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:3003&to=EPSG:6707&coords=lat,lng for programmatic access. It returns the transformed coordinates as JSON.