Source: EPSG:4322 — WGS 72
geographic system using latitude and longitude on an ellipsoid · Area of use: World
+proj=longlat +ellps=WGS72 +no_defs +type=crsMore about EPSG:4322 →
Convert EPSG:4322 to EPSG:7422
Online coordinate converter from WGS 72 (EPSG:4322) to NTF (Paris) / Lambert zone III + NGF-IGN69 height (EPSG:7422). Enter your source coordinates and get the result instantly. All transformations happen in your browser — no data is sent to any server.
Convert EPSG:4322 to EPSG:7422 in code
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:4322", "EPSG:7422", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)Target: EPSG:7422 — NTF (Paris) / Lambert zone III + NGF-IGN69 height
compound horizontal + vertical reference system · Area of use: France - mainland south of 45.45°N
+proj=lcc +lat_1=44.1 +lat_0=44.1 +lon_0=0 +k_0=0.999877499 +x_0=600000 +y_0=3200000 +ellps=clrk80ign +pm=paris +towgs84=-168,-60,320,0,0,0,0 +units=m +vunits=m +no_defs +type=crsMore about EPSG:7422 →
Frequently asked questions
- How accurate is converting WGS 72 to NTF (Paris) / Lambert zone III + NGF-IGN69 height?
- Projection-only conversions are accurate to floating-point precision. If a datum shift is involved, browser-based tools use Helmert parameters which are accurate to roughly 1-5 m; for surveying-grade work apply the official grid-shift 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.