Convert coordinates from ED50 (EPSG:4230) to ETRS89 (EPSG:4258) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.
The EPSG Geodetic Parameter Dataset defines 14 transformations between ED50 (EPSG:4230) and ETRS89 (EPSG:4258). Each applies to a specific area — pick the one whose area of use covers your data.
Grid file: 100800401.gsb
When included in concatenation from and to projected CRSs, gives same results as ED50 / UTM zone 31N to ETRS89 / UTM zone 31N (1) - see CRS code 5166.
Grid file: PENR2009.gsb
Replaces ED50 to ETRS89 (12) (code 15932).
Grid file: BALR2009.gsb
Replaces ED50 to ETRS89 (12) (code 15932).
Grid file: SPED2ETV2.gsb
Replaces ED50 to ETRS89 (11) (code 15895) - see supersession record. May be taken as approximate transformation ED50 to WGS 84 - see code 15933.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -116.641 | metre |
| Y-axis translation(ty) | -56.931 | metre |
| Z-axis translation(tz) | -110.559 | metre |
| X-axis rotation(rx) | 4.327 | microradian |
| Y-axis rotation(ry) | 4.464 | microradian |
| Z-axis rotation(rz) | -4.444 | microradian |
| Scale difference(ds) | -3.52 | parts per million |
Included in Statens Kartverk programme wsktrans from 1997. The same parameter values were adopted for ED50 to WGS84 (variant 23) transformation offshore Norway north of 62N from April 2001 - see code 1612.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -81.1 | metre |
| Y-axis translation(ty) | -89.4 | metre |
| Z-axis translation(tz) | -115.8 | metre |
| X-axis rotation(rx) | 0.485 | arc-second |
| Y-axis rotation(ry) | 0.024 | arc-second |
| Z-axis rotation(rz) | 0.413 | arc-second |
| Scale difference(ds) | -0.54 | parts per million |
May be taken as approximate transformation ED50 to WGS 84 - see code 1627.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -116.8 | metre |
| Y-axis translation(ty) | -106.4 | metre |
| Z-axis translation(tz) | -154.4 | metre |
May be taken as approximate transformation ED50 to WGS 84 - see code 1629.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -157.89 | metre |
| Y-axis translation(ty) | -17.16 | metre |
| Z-axis translation(tz) | -78.41 | metre |
| X-axis rotation(rx) | 2.118 | arc-second |
| Y-axis rotation(ry) | 2.697 | arc-second |
| Z-axis rotation(rz) | -1.434 | arc-second |
| Scale difference(ds) | -5.38 | parts per million |
Parameter values from ED50 to WGS 84 (36) (CT 1998) assuming that ETRS89 is equivalent to WGS 84 at epoch 1989.00.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -181.5 | metre |
| Y-axis translation(ty) | -90.3 | metre |
| Z-axis translation(tz) | -187.2 | metre |
| X-axis rotation(rx) | 0.144 | arc-second |
| Y-axis rotation(ry) | 0.492 | arc-second |
| Z-axis rotation(rz) | -0.394 | arc-second |
| Scale difference(ds) | 17.57 | parts per million |
May be taken as approximate transformation ED50 to WGS 84 - see code 1631.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -131 | metre |
| Y-axis translation(ty) | -100.3 | metre |
| Z-axis translation(tz) | -163.4 | metre |
| X-axis rotation(rx) | -1.244 | arc-second |
| Y-axis rotation(ry) | -0.02 | arc-second |
| Z-axis rotation(rz) | -1.144 | arc-second |
| Scale difference(ds) | 9.39 | parts per million |
May be taken as approximate transformation ED50 to WGS 84 - see code 1633.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -178.4 | metre |
| Y-axis translation(ty) | -83.2 | metre |
| Z-axis translation(tz) | -221.3 | metre |
| X-axis rotation(rx) | 0.54 | arc-second |
| Y-axis rotation(ry) | -0.532 | arc-second |
| Z-axis rotation(rz) | -0.126 | arc-second |
| Scale difference(ds) | 21.2 | parts per million |
May be taken as approximate transformation ED50 to WGS 84 - see code 1635.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -84 | metre |
| Y-axis translation(ty) | -97 | metre |
| Z-axis translation(tz) | -117 | metre |
These same parameter values are used to transform to WGS 84. See ED50 to WGS 84 (17) (code 1275).
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -84.1 | metre |
| Y-axis translation(ty) | -101.8 | metre |
| Z-axis translation(tz) | -129.7 | metre |
| X-axis rotation(rx) | 0 | arc-second |
| Y-axis rotation(ry) | 0 | arc-second |
| Z-axis rotation(rz) | 0.468 | arc-second |
| Scale difference(ds) | 1.05 | parts per million |
May be taken as approximate transformation ED50 to WGS 84 - see code 1784. Note: the ETRS89 CRS is not used in Turkey.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | -87.987 | metre |
| Y-axis translation(ty) | -108.639 | metre |
| Z-axis translation(tz) | -121.593 | metre |
Parameter values taken from ED50 to WGS 84 (33) (tfm code 1985) assuming that ETRS89 and WGS 84 are the same within the accuracy of the transformation.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4230", "EPSG:4258", 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: Europe - ED50 by country
+proj=longlat +ellps=intl +no_defs +type=crsMore about EPSG:4230 →
geographic system using latitude and longitude on an ellipsoid · Area of use: Europe - ETRF by country
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crsMore about EPSG:4258 →