Skip to content
transform

Convert MGI 1901 to SRB_ETRS89

Convert coordinates from MGI 1901 (EPSG:3906) to SRB_ETRS89 (EPSG:8685) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-3906-to-epsg-8685

Official EPSG transformations from MGI 1901 to SRB_ETRS89

The EPSG Geodetic Parameter Dataset defines 2 transformations between MGI 1901 (EPSG:3906) and SRB_ETRS89 (EPSG:8685). Each applies to a specific area — pick the one whose area of use covers your data.

MGI 1901 to SRB-ETRS89 (9)

EPSG:9496±0.03 mBest accuracy
Method:
NTv2
Area of use:
Serbia
Scope:
Geodesy, cadastre.

Grid file: MGI1901_TO_SRBETRS89_NTv2.gsb

MGI 1901 to SRB-ETRS89 (8)

EPSG:9495±0.46 m
Method:
Coordinate Frame rotation (geog2D domain)
Area of use:
Serbia
Scope:
Topographic mapping.
ParameterValueUnit
X-axis translation(tx)577.84843metre
Y-axis translation(ty)165.45019metre
Z-axis translation(tz)390.43652metre
X-axis rotation(rx)-4.93131arc-second
Y-axis rotation(ry)0.96052arc-second
Z-axis rotation(rz)13.05072arc-second
Scale difference(ds)7.86546parts per million

Convert EPSG:3906 to EPSG:8685 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:3906", "EPSG:8685", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:3906MGI 1901

geographic system using latitude and longitude on an ellipsoid · Area of use: Europe - former Yugoslavia onshore

+proj=longlat +ellps=bessel +towgs84=682,-203,480,0,0,0,0 +no_defs +type=crs
More about EPSG:3906

Target: EPSG:8685SRB_ETRS89

geographic system using latitude and longitude on an ellipsoid · Area of use: Serbia

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs
More about EPSG:8685

Frequently asked questions

How accurate is converting MGI 1901 to SRB_ETRS89?
The most accurate official EPSG transformation between these systems is accurate to about ±0.03 m within its stated area of use. Browser-based converters approximate datum shifts with Helmert parameters; for surveying-grade work apply the official transformation (including the grid-shift files listed below) 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:8685 to EPSG:3906