Convert ETRS89/DREF91/2016 to Asse 2025 + Asse 2025 height

Convert coordinates from ETRS89/DREF91/2016 (EPSG:10283) to Asse 2025 + Asse 2025 height (EPSG:10904) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

From

Input (lon, lat (decimal degrees))

Output (x, y)

Direct link to this transformation: epsgtransform.com/transform/epsg-10283-to-epsg-10904

Official EPSG transformation from ETRS89/DREF91/2016 to Asse 2025 + Asse 2025 height

The EPSG Geodetic Parameter Dataset defines 1 transformation between ETRS89/DREF91/2016 (EPSG:10283) and Asse 2025 + Asse 2025 height (EPSG:10904). Its parameters, accuracy and area of use are listed below.

ETRS89/DREF91/2016 to Asse 2025 + Asse 2025 height (1)

EPSG:10905±0.04 m

Method:: Coordinate Frame rotation (geog3D to compound)
Area of use:: Germany - Lower Saxony - Asse
Scope:: Engineering survey, GIS, topographic mapping.

Parameter	Value	Unit
X-axis translation(tx)	-646.6552	metre
Y-axis translation(ty)	-165.0859	metre
Z-axis translation(tz)	-437.6858	metre
X-axis rotation(rx)	4.77773	arc-second
Y-axis rotation(ry)	-0.39139	arc-second
Z-axis rotation(rz)	-1.07485	arc-second
Scale difference(ds)	2.0025	parts per million

3-dimensional transformation defining the horizontal and vertical CRSs for the Asse mining area.

Convert EPSG:10283 to EPSG:10904 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:10283", "EPSG:10904", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:10283 — ETRS89/DREF91/2016

geographic system using latitude, longitude and ellipsoidal height · Area of use: Germany

+proj=longlat +ellps=GRS80 +no_defs +type=crs

More about EPSG:10283 →

Target: EPSG:10904 — Asse 2025 + Asse 2025 height

compound horizontal + vertical reference system · Area of use: Germany - Lower Saxony - Asse

+proj=longlat +ellps=bessel +vunits=m +no_defs +type=crs

More about EPSG:10904 →

Frequently asked questions

How accurate is converting ETRS89/DREF91/2016 to Asse 2025 + Asse 2025 height?: The most accurate official EPSG transformation between these systems is accurate to about ±0.04 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.

Need the reverse? Convert EPSG:10904 to EPSG:10283 →