Convert Nahrwan 1934 to WGS 84

Convert coordinates from Nahrwan 1934 (EPSG:4744) to WGS 84 (EPSG:4326) — 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-4744-to-epsg-4326

Official EPSG transformation from Nahrwan 1934 to WGS 84

The EPSG Geodetic Parameter Dataset defines 1 transformation between Nahrwan 1934 (EPSG:4744) and WGS 84 (EPSG:4326). Its parameters, accuracy and area of use are listed below.

Nahrwan 1934 to WGS 84 (6)

EPSG:7033±30 m

Method:: Geocentric translations (geog2D domain)
Area of use:: Iraq - onshore
Scope:: Oil and gas exploration and production.

Parameter	Value	Unit
X-axis translation(tx)	-242.2	metre
Y-axis translation(ty)	-144.9	metre
Z-axis translation(tz)	370.3	metre

Derived by concatenation of parameter values published by IGN Paris from Nahrwan 1934 to WGS 72 at the Nahrwan SE Base station near Baghdad with DMA WGS 72 to WGS 84 parameter values. For more accurate transformation away from origin see codes 7008-7032.

Convert EPSG:4744 to EPSG:4326 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:4744", "EPSG:4326", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:4744 — Nahrwan 1934

geographic system using latitude and longitude on an ellipsoid · Area of use: Asia - Middle East - Iraq and SW Iran

+proj=longlat +a=6378249.145 +rf=293.465 +no_defs +type=crs

More about EPSG:4744 →

Target: EPSG:4326 — WGS 84

geographic system using latitude and longitude on an ellipsoid · Area of use: World (by country)

+proj=longlat +datum=WGS84 +no_defs +type=crs

More about EPSG:4326 →

Frequently asked questions

How accurate is converting Nahrwan 1934 to WGS 84?: The most accurate official EPSG transformation between these systems is accurate to about ±30 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:4326 to EPSG:4744 →