Convert IGS00 to IGb00

Convert coordinates from IGS00 (EPSG:9004) to IGb00 (EPSG:9007) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

From

Input (x, y)

Output (x, y)

Direct link to this transformation: epsgtransform.com/transform/epsg-9004-to-epsg-9007

Official EPSG transformation from IGS00 to IGb00

The EPSG Geodetic Parameter Dataset defines 1 transformation between IGS00 (EPSG:9004) and IGb00 (EPSG:9007). Its parameters, accuracy and area of use are listed below.

IGS00 to IGb00 (1)

EPSG:9034±0 m

Method:: Time-specific Position Vector transform (geocen)
Area of use:: World
Scope:: Geodesy.

Parameter	Value	Unit
X-axis translation(tx)	0	millimetre
Y-axis translation(ty)	0	millimetre
Z-axis translation(tz)	0	millimetre
X-axis rotation(rx)	0	milliarc-second
Y-axis rotation(ry)	0	milliarc-second
Z-axis rotation(rz)	0	milliarc-second
Scale difference(ds)	0	parts per billion
epoch	1998	year

Scale difference in ppb where 1/billion = 1E-9 or nm/m. IGS00 and IGb00 are both by definition aligned with ITRF2000. The actual IGS00-IGb00 transformation parameter values are not null but are statistically insignificant and treated as null by IGS.

Convert EPSG:9004 to EPSG:9007 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:9004", "EPSG:9007", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:9004 — IGS00

geocentric Cartesian system (Earth-centred Earth-fixed) · Area of use: World

+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs

More about EPSG:9004 →

Target: EPSG:9007 — IGb00

geocentric Cartesian system (Earth-centred Earth-fixed) · Area of use: World

+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs

More about EPSG:9007 →

Frequently asked questions

How accurate is converting IGS00 to IGb00?: The most accurate official EPSG transformation between these systems is accurate to about ±0 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:9007 to EPSG:9004 →