BD50 (Brussels) to BD50 (1)
EPSG:1264±0 m- Method:
- Longitude rotation
- Area of use:
- Belgium - onshore
- Scope:
- Change of prime meridian.
| Parameter | Value | Unit |
|---|---|---|
| Longitude offset | 4.220471 | sexagesimal DMS |
Convert BD50 (Brussels) to BD50
Convert coordinates from BD50 (Brussels) (EPSG:4809) to BD50 (EPSG:4215) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
Official EPSG transformation from BD50 (Brussels) to BD50
The EPSG Geodetic Parameter Dataset defines 1 transformation between BD50 (Brussels) (EPSG:4809) and BD50 (EPSG:4215). Its parameters, accuracy and area of use are listed below.
Convert EPSG:4809 to EPSG:4215 in code
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4809", "EPSG:4215", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)Source: EPSG:4809 — BD50 (Brussels)
geographic system using latitude and longitude on an ellipsoid · Area of use: Belgium - onshore
+proj=longlat +ellps=intl +pm=brussels +no_defs +type=crsMore about EPSG:4809 →
Target: EPSG:4215 — BD50
geographic system using latitude and longitude on an ellipsoid · Area of use: Belgium - onshore
+proj=longlat +ellps=intl +no_defs +type=crsMore about EPSG:4215 →
Frequently asked questions
- How accurate is converting BD50 (Brussels) to BD50?
- 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.