EPSG:4991 — Lao 1993
Geographic 3D coordinate reference system. Area of use: Laos.
Code
EPSG:4991
Type
Geographic 3D
Area
Laos
PROJ definition
+proj=longlat +ellps=krass +no_defs +type=crs
Geographic bounds
W 100.09° S 13.92° E 107.64° N 22.5°
Convert coordinates with EPSG:4991
Common transformations from EPSG:4991
- EPSG:4991 → EPSG:4326Lao 1993 → WGS 84
- EPSG:4991 → EPSG:3857Lao 1993 → WGS 84 / Pseudo-Mercator
- EPSG:4991 → EPSG:3395Lao 1993 → WGS 84 / World Mercator
- EPSG:4991 → EPSG:4978Lao 1993 → WGS 84
- EPSG:4991 → EPSG:7789Lao 1993 → ITRF2014
- EPSG:4991 → EPSG:4267Lao 1993 → NAD27
- EPSG:4991 → EPSG:4269Lao 1993 → NAD83
- EPSG:4991 → EPSG:6318Lao 1993 → NAD83(2011)
- EPSG:4991 → EPSG:4322Lao 1993 → WGS 72
- EPSG:4991 → EPSG:26910Lao 1993 → NAD83 / UTM zone 10N
- EPSG:4991 → EPSG:26911Lao 1993 → NAD83 / UTM zone 11N
- EPSG:4991 → EPSG:26912Lao 1993 → NAD83 / UTM zone 12N
Frequently asked questions
- What is the proj4 string for EPSG:4991?
- The proj4 definition for EPSG:4991 is: +proj=longlat +ellps=krass +no_defs +type=crs
- Where is EPSG:4991 used?
- EPSG:4991 (Lao 1993) is defined for the area: Laos.