Monte Mario (Rome) to Monte Mario (1)
EPSG:1262±0 m- Method:
- Longitude rotation
- Area of use:
- Italy - including San Marino and Vatican
- Scope:
- Change of prime meridian.
| Parameter | Value | Unit |
|---|---|---|
| Longitude offset | 12.27084 | sexagesimal DMS |
Convert Monte Mario (Rome) to Monte Mario
Convert coordinates from Monte Mario (Rome) (EPSG:4806) to Monte Mario (EPSG:4265) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
Official EPSG transformation from Monte Mario (Rome) to Monte Mario
The EPSG Geodetic Parameter Dataset defines 1 transformation between Monte Mario (Rome) (EPSG:4806) and Monte Mario (EPSG:4265). Its parameters, accuracy and area of use are listed below.
Convert EPSG:4806 to EPSG:4265 in code
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4806", "EPSG:4265", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)Source: EPSG:4806 — Monte Mario (Rome)
geographic system using latitude and longitude on an ellipsoid · Area of use: Italy - including San Marino and Vatican
+proj=longlat +ellps=intl +pm=rome +no_defs +type=crsMore about EPSG:4806 →
Target: EPSG:4265 — Monte Mario
geographic system using latitude and longitude on an ellipsoid · Area of use: Italy - including San Marino and Vatican
+proj=longlat +ellps=intl +no_defs +type=crsMore about EPSG:4265 →
Frequently asked questions
- How accurate is converting Monte Mario (Rome) to Monte Mario?
- The most accurate official EPSG transformation between these systems is accurate to about ±0 m within its stated area of use. Browser-based converters approximate datum shifts with Helmert parameters; for surveying-grade work apply the official transformation in a desktop GIS.
- Does my data leave the browser when I use this converter?
- No. All coordinate transformations are computed locally in your browser using proj4js. The coordinates you enter are never transmitted to any server.