EPSG:4171 — RGF93 v1

PROJ definition

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

Geographic bounds

W -9.86°   S 41.15°   E 10.38°   N 51.56°

Convert coordinates with EPSG:4171

Official EPSG transformations for RGF93 v1

Datum transformations involving EPSG:4171 published in the EPSG dataset, with parameters, accuracy and area of use:

• NTF → RGF93 v1±1 m
• NTF (Paris) → RGF93 v1±1 m
• RGF93 v1 → ETRS89±0.1 m
• RGF93 v1 → NTF±1 m
• RGF93 v1 → RGF93 v2±0.05 m
• RGF93 v1 → WGS 84±1 m

Common transformations from EPSG:4171

• EPSG:4171 → EPSG:4326RGF93 v1 → WGS 84
• EPSG:4171 → EPSG:3857RGF93 v1 → WGS 84 / Pseudo-Mercator
• EPSG:4171 → EPSG:3395RGF93 v1 → WGS 84 / World Mercator
• EPSG:4171 → EPSG:4978RGF93 v1 → WGS 84
• EPSG:4171 → EPSG:7789RGF93 v1 → ITRF2014
• EPSG:4171 → EPSG:4267RGF93 v1 → NAD27
• EPSG:4171 → EPSG:4269RGF93 v1 → NAD83
• EPSG:4171 → EPSG:6318RGF93 v1 → NAD83(2011)
• EPSG:4171 → EPSG:4322RGF93 v1 → WGS 72
• EPSG:4171 → EPSG:26910RGF93 v1 → NAD83 / UTM zone 10N
• EPSG:4171 → EPSG:26911RGF93 v1 → NAD83 / UTM zone 11N
• EPSG:4171 → EPSG:26912RGF93 v1 → NAD83 / UTM zone 12N