Convert coordinates from MTRF-2000 (EPSG:8818) to KSA-GRF17 (EPSG:9333) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 1 transformation between MTRF-2000 (EPSG:8818) and KSA-GRF17 (EPSG:9333). Its parameters, accuracy and area of use are listed below.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 0.0469 | metre |
| Y-axis translation(ty) | -0.2827 | metre |
| Z-axis translation(tz) | 0.0866 | metre |
| X-axis rotation(rx) | 0.00559 | arc-second |
| Y-axis rotation(ry) | -0.004981 | arc-second |
| Z-axis rotation(rz) | 0.023108 | arc-second |
| Scale difference(ds) | -0.008051 | parts per million |
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:8818", "EPSG:9333", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)geographic system using latitude and longitude on an ellipsoid · Area of use: Saudi Arabia
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crsMore about EPSG:8818 →
geographic system using latitude and longitude on an ellipsoid · Area of use: Saudi Arabia
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,-0.008393,0.000749,-0.010276,0 +no_defs +type=crsMore about EPSG:9333 →