EPSG:28991 — Amersfoort / RD Old
Projected coordinate reference system. Area of use: Netherlands - onshore.
Code
EPSG:28991
Type
Projected
Area
Netherlands - onshore
PROJ definition
+proj=sterea +lat_0=52.1561605555556 +lon_0=5.38763888888889 +k=0.9999079 +x_0=0 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs
Geographic bounds
W 3.2° S 50.75° E 7.22° N 53.7°
Convert coordinates with EPSG:28991
Common transformations from EPSG:28991
- EPSG:28991 → EPSG:4326Amersfoort / RD Old → WGS 84
- EPSG:28991 → EPSG:3857Amersfoort / RD Old → WGS 84 / Pseudo-Mercator
- EPSG:28991 → EPSG:3395Amersfoort / RD Old → WGS 84 / World Mercator
- EPSG:28991 → EPSG:4978Amersfoort / RD Old → WGS 84
- EPSG:28991 → EPSG:7789Amersfoort / RD Old → ITRF2014
- EPSG:28991 → EPSG:4267Amersfoort / RD Old → NAD27
- EPSG:28991 → EPSG:4269Amersfoort / RD Old → NAD83
- EPSG:28991 → EPSG:6318Amersfoort / RD Old → NAD83(2011)
- EPSG:28991 → EPSG:4322Amersfoort / RD Old → WGS 72
- EPSG:28991 → EPSG:26910Amersfoort / RD Old → NAD83 / UTM zone 10N
- EPSG:28991 → EPSG:26911Amersfoort / RD Old → NAD83 / UTM zone 11N
- EPSG:28991 → EPSG:26912Amersfoort / RD Old → NAD83 / UTM zone 12N
Frequently asked questions
- What is the proj4 string for EPSG:28991?
- The proj4 definition for EPSG:28991 is: +proj=sterea +lat_0=52.1561605555556 +lon_0=5.38763888888889 +k=0.9999079 +x_0=0 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs
- Where is EPSG:28991 used?
- EPSG:28991 (Amersfoort / RD Old) is defined for the area: Netherlands - onshore.