Convert Pulkovo 1942 to LKS94

Convert coordinates from Pulkovo 1942 (EPSG:4284) to LKS94 (EPSG:4669) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

From

Input (lon, lat (decimal degrees))

Output (lon, lat (decimal degrees))

Direct link to this transformation: epsgtransform.com/transform/epsg-4284-to-epsg-4669

Official EPSG transformation from Pulkovo 1942 to LKS94

The EPSG Geodetic Parameter Dataset defines 1 transformation between Pulkovo 1942 (EPSG:4284) and LKS94 (EPSG:4669). Its parameters, accuracy and area of use are listed below.

Pulkovo 1942 to LKS94 (1)

EPSG:1274±9 m

Method:: Coordinate Frame rotation (geog2D domain)
Area of use:: Lithuania - onshore
Scope:: Transformation of coordinates at 9m level of accuracy.

Parameter	Value	Unit
X-axis translation(tx)	-40.595	metre
Y-axis translation(ty)	-18.55	metre
Z-axis translation(tz)	-69.339	metre
X-axis rotation(rx)	-2.508	arc-second
Y-axis rotation(ry)	-1.832	arc-second
Z-axis rotation(rz)	2.611	arc-second
Scale difference(ds)	-4.299	parts per million

May be taken as approximate transformation Pulkovo 1942 to WGS 84 - see code 1679.

Convert EPSG:4284 to EPSG:4669 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:4284", "EPSG:4669", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:4284 — Pulkovo 1942

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

+proj=longlat +ellps=krass +towgs84=25,-141,-78.5,0,0.35,0.736,0 +no_defs +type=crs

More about EPSG:4284 →

Target: EPSG:4669 — LKS94

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

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs

More about EPSG:4669 →

Frequently asked questions

How accurate is converting Pulkovo 1942 to LKS94?: The most accurate official EPSG transformation between these systems is accurate to about ±9 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:4669 to EPSG:4284 →