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Convert ETRF2000-PL to ETRF2000-PL + Baltic 1986 height

Convert coordinates from ETRF2000-PL (EPSG:9701) to ETRF2000-PL + Baltic 1986 height (EPSG:9656) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

Direct link to this transformation: epsgtransform.com/transform/epsg-9701-to-epsg-9656

Official EPSG transformation from ETRF2000-PL to ETRF2000-PL + Baltic 1986 height

The EPSG Geodetic Parameter Dataset defines 1 transformation between ETRF2000-PL (EPSG:9701) and ETRF2000-PL + Baltic 1986 height (EPSG:9656). Its parameters, accuracy and area of use are listed below.

ETRF2000-PL to ETRF2000-PL + Baltic 1986 height (1)

EPSG:9718±0.03 m
Method:
Geog3D to Geog2D+GravityRelatedHeight (PL txt)
Area of use:
Poland - onshore
Scope:
Reversible geoid model transformation.

Grid file: gugik-geoid2011-PL-KRON86-NH.txt

Reversible alternative to ETRF2000-PL to Baltic 1986 height (1) (code 9717).

Convert EPSG:9701 to EPSG:9656 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:9701", "EPSG:9656", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:9701 — ETRF2000-PL

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

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs
More about EPSG:9701 →

Target: EPSG:9656 — ETRF2000-PL + Baltic 1986 height

compound horizontal + vertical reference system · Area of use: Poland - onshore

+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +geoidgrids=pl_gugik_geoid2011-PL-KRON86-NH.tif +geoid_crs=WGS84 +vunits=m +no_defs +type=crs
More about EPSG:9656 →

Frequently asked questions

How accurate is converting ETRF2000-PL to ETRF2000-PL + Baltic 1986 height?
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:9656 to EPSG:9701 →