powered by MapTiler
Geodetic CRS: Amersfoort
Datum: Amersfoort
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: Nederlandse Commissie voor Geodesie (NCG).
Revision date: 2023-01-17
Scope: Transformation of coordinates at 0.5m level of accuracy.
Remarks: Replaces Amersfoort to ETRS89 (2) (tfm code 1066). Replaced by Amersfoort to ETRS89 (6) (tfm code 4831). Dutch sources also quote an equivalent transformation using the Coordinate Frame 7-parameter method - see tfm code 15739.
Method: Molodensky-Badekas (CF geog2D domain)
Area of use: Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Amersfoort to ETRS89 (4)", VERSION["NCG-Nld 2004 MB"], SOURCECRS[ GEOGCRS["Amersfoort", DATUM["Amersfoort", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4289]]], TARGETCRS[ GEOGCRS["ETRS89", ENSEMBLE["European Terrestrial Reference System 1989 ensemble", MEMBER["European Terrestrial Reference Frame 1989"], MEMBER["European Terrestrial Reference Frame 1990"], MEMBER["European Terrestrial Reference Frame 1991"], MEMBER["European Terrestrial Reference Frame 1992"], MEMBER["European Terrestrial Reference Frame 1993"], MEMBER["European Terrestrial Reference Frame 1994"], MEMBER["European Terrestrial Reference Frame 1996"], MEMBER["European Terrestrial Reference Frame 1997"], MEMBER["European Terrestrial Reference Frame 2000"], MEMBER["European Terrestrial Reference Frame 2005"], MEMBER["European Terrestrial Reference Frame 2014"], MEMBER["European Terrestrial Reference Frame 2020"], MEMBER["ETRS89-DNK"], MEMBER["Estonia 1997"], MEMBER["Albanian Geodetic Reference Frame 2010"], MEMBER["ETRS89-ALB [CORS]"], MEMBER["ETRS89-AUT [2002]"], MEMBER["Belgian Reference Frame 2002"], MEMBER["Belgian Reference Frame 2011"], MEMBER["BH_ETRS89"], MEMBER["Bulgaria Geodetic System 2005"], MEMBER["Croatian Terrestrial Reference System 1996"], MEMBER["AGRS2010 (ETRF2000)"], MEMBER["CROPOS"], MEMBER["ETRF2000 Poland"], MEMBER["ETRS89/DREF91 Realization 2016"], MEMBER["ETRS89/DREF91 Realization 2025"], MEMBER["ETRS89-CZE [2007]"], MEMBER["ETRS89-ESP [REGENTE]"], MEMBER["ETRS89-ESP [ERGNSS]"], MEMBER["ETRS89-FRO [2008]"], MEMBER["ETRS89-GRC [HTRS07]"], MEMBER["ETRS89-HUN [ETRF2000]"], MEMBER["ETRS89-IRE [ETRF2000]"], MEMBER["ETRS89-MKD [EUREF-MAK2010]"], MEMBER["ETRS89-NOR [EUREF89]"], MEMBER["ETRS89-PRT [1995]"], MEMBER["ETRS89-ROU [ETRF2000]"], MEMBER["ETRS89-SVK [SKTRF09]"], MEMBER["ETRS89-SVK [SKTRF2022]"], MEMBER["EUREF-FIN"], MEMBER["Istituto Geografico Militaire 1995"], MEMBER["Kosovo Reference System 2001"], MEMBER["Latvian geodetic coordinate system 1992"], MEMBER["Latvian coordinate system 2020"], MEMBER["Lithuania 1994 (ETRS89)"], MEMBER["MOLDREF99"], MEMBER["OSNet v2009"], MEMBER["Reseau Geodesique Francais 1993 v1"], MEMBER["Reseau Geodesique Francais 1993 v2"], MEMBER["Reseau Geodesique Francais 1993 v2b"], MEMBER["Rete Dinamica Nazionale 2008"], MEMBER["Serbian Reference Network 1998"], MEMBER["Serbian Spatial Reference System 2000"], MEMBER["Slovenia Geodetic Datum 1996"], MEMBER["SWEREF 99"], MEMBER["Swiss Terrestrial Reference Frame 1995"], ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[0.1]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4258]]], METHOD["Molodensky-Badekas (CF geog2D domain)", ID["EPSG",9636]], PARAMETER["X-axis translation",593.0297, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",26.0038, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",478.7534, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",1.9725, ANGLEUNIT["microradian",1E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",-1.7004, ANGLEUNIT["microradian",1E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",9.0677, ANGLEUNIT["microradian",1E-06], ID["EPSG",8610]], PARAMETER["Scale difference",4.0812, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], PARAMETER["Ordinate 1 of evaluation point",3903453.1482, LENGTHUNIT["metre",1], ID["EPSG",8617]], PARAMETER["Ordinate 2 of evaluation point",368135.3134, LENGTHUNIT["metre",1], ID["EPSG",8618]], PARAMETER["Ordinate 3 of evaluation point",5012970.3051, LENGTHUNIT["metre",1], ID["EPSG",8667]], OPERATIONACCURACY[0.5], USAGE[ SCOPE["Transformation of coordinates at 0.5m level of accuracy."], AREA["Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone."], BBOX[50.75,3.2,53.7,7.22]], ID["EPSG",15740], REMARK["Replaces Amersfoort to ETRS89 (2) (tfm code 1066). Replaced by Amersfoort to ETRS89 (6) (tfm code 4831). Dutch sources also quote an equivalent transformation using the Coordinate Frame 7-parameter method - see tfm code 15739."]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=molobadekas +x=593.0297 +y=26.0038 +z=478.7534 +rx=0.406857330322398 +ry=-0.350732676542563 +rz=1.8703473836068 +s=4.0812 +px=3903453.1482 +py=368135.3134 +pz=5012970.3051 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:15740","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=molobadekas +x=593.0297 +y=26.0038 +z=478.7534 +rx=0.406857330322398 +ry=-0.350732676542563 +rz=1.8703473836068 +s=4.0812 +px=3903453.1482 +py=368135.3134 +pz=5012970.3051 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "Amersfoort to ETRS89 (4)", "source_crs": { "type": "GeographicCRS", "name": "Amersfoort", "datum": { "type": "GeodeticReferenceFrame", "name": "Amersfoort", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "inverse_flattening": 299.1528128 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4289 }, "remarks": "Use of geographic2D CRS Amersfoort (code 4289) for spatial referencing is discouraged. Use projected CRS Amersfoort / RD New (code 28992) or ETRS89-NLD [AGRS2010] (code 11037)." }, "target_crs": { "type": "GeographicCRS", "name": "ETRS89", "datum_ensemble": { "name": "European Terrestrial Reference System 1989 ensemble", "members": [ { "name": "European Terrestrial Reference Frame 1989", "id": { "authority": "EPSG", "code": 1178 } }, { "name": "European Terrestrial Reference Frame 1990", "id": { "authority": "EPSG", "code": 1179 } }, { "name": "European Terrestrial Reference Frame 1991", "id": { "authority": "EPSG", "code": 1180 } }, { "name": "European Terrestrial Reference Frame 1992", "id": { "authority": "EPSG", "code": 1181 } }, { "name": "European Terrestrial Reference Frame 1993", "id": { "authority": "EPSG", "code": 1182 } }, { "name": "European Terrestrial Reference Frame 1994", "id": { "authority": "EPSG", "code": 1183 } }, { "name": "European Terrestrial Reference Frame 1996", "id": { "authority": "EPSG", "code": 1184 } }, { "name": "European Terrestrial Reference Frame 1997", "id": { "authority": "EPSG", "code": 1185 } }, { "name": "European Terrestrial Reference Frame 2000", "id": { "authority": "EPSG", "code": 1186 } }, { "name": "European Terrestrial Reference Frame 2005", "id": { "authority": "EPSG", "code": 1204 } }, { "name": "European Terrestrial Reference Frame 2014", "id": { "authority": "EPSG", "code": 1206 } }, { "name": "European Terrestrial Reference Frame 2020", "id": { "authority": "EPSG", "code": 1382 } }, { "name": "ETRS89-DNK", "id": { "authority": "EPSG", "code": 1412 } }, { "name": "Estonia 1997", "id": { "authority": "EPSG", "code": 6180 } }, { "name": "Albanian Geodetic Reference Frame 2010", "id": { "authority": "EPSG", "code": 1429 } }, { "name": "ETRS89-ALB [CORS]", "id": { "authority": "EPSG", "code": 1430 } }, { "name": "ETRS89-AUT [2002]", "id": { "authority": "EPSG", "code": 1431 } }, { "name": "Belgian Reference Frame 2002", "id": { "authority": "EPSG", "code": 1432 } }, { "name": "Belgian Reference Frame 2011", "id": { "authority": "EPSG", "code": 1447 } }, { "name": "BH_ETRS89", "id": { "authority": "EPSG", "code": 1358 } }, { "name": "Bulgaria Geodetic System 2005", "id": { "authority": "EPSG", "code": 1167 } }, { "name": "Croatian Terrestrial Reference System 1996", "id": { "authority": "EPSG", "code": 6761 } }, { "name": "AGRS2010 (ETRF2000)", "id": { "authority": "EPSG", "code": 1427 } }, { "name": "CROPOS", "id": { "authority": "EPSG", "code": 1445 } }, { "name": "ETRF2000 Poland", "id": { "authority": "EPSG", "code": 1305 } }, { "name": "ETRS89/DREF91 Realization 2016", "id": { "authority": "EPSG", "code": 1353 } }, { "name": "ETRS89/DREF91 Realization 2025", "id": { "authority": "EPSG", "code": 1446 } }, { "name": "ETRS89-CZE [2007]", "id": { "authority": "EPSG", "code": 1433 } }, { "name": "ETRS89-ESP [REGENTE]", "id": { "authority": "EPSG", "code": 1441 } }, { "name": "ETRS89-ESP [ERGNSS]", "id": { "authority": "EPSG", "code": 1442 } }, { "name": "ETRS89-FRO [2008]", "id": { "authority": "EPSG", "code": 1436 } }, { "name": "ETRS89-GRC [HTRS07]", "id": { "authority": "EPSG", "code": 1437 } }, { "name": "ETRS89-HUN [ETRF2000]", "id": { "authority": "EPSG", "code": 1444 } }, { "name": "ETRS89-IRE [ETRF2000]", "id": { "authority": "EPSG", "code": 6173 } }, { "name": "ETRS89-MKD [EUREF-MAK2010]", "id": { "authority": "EPSG", "code": 1438 } }, { "name": "ETRS89-NOR [EUREF89]", "id": { "authority": "EPSG", "code": 1407 } }, { "name": "ETRS89-PRT [1995]", "id": { "authority": "EPSG", "code": 1439 } }, { "name": "ETRS89-ROU [ETRF2000]", "id": { "authority": "EPSG", "code": 1440 } }, { "name": "ETRS89-SVK [SKTRF09]", "id": { "authority": "EPSG", "code": 1434 } }, { "name": "ETRS89-SVK [SKTRF2022]", "id": { "authority": "EPSG", "code": 1435 } }, { "name": "EUREF-FIN", "id": { "authority": "EPSG", "code": 1391 } }, { "name": "Istituto Geografico Militaire 1995", "id": { "authority": "EPSG", "code": 6670 } }, { "name": "Kosovo Reference System 2001", "id": { "authority": "EPSG", "code": 1251 } }, { "name": "Latvian geodetic coordinate system 1992", "id": { "authority": "EPSG", "code": 6661 } }, { "name": "Latvian coordinate system 2020", "id": { "authority": "EPSG", "code": 1356 } }, { "name": "Lithuania 1994 (ETRS89)", "id": { "authority": "EPSG", "code": 6126 } }, { "name": "MOLDREF99", "id": { "authority": "EPSG", "code": 1032 } }, { "name": "OSNet v2009", "id": { "authority": "EPSG", "code": 1425 } }, { "name": "Reseau Geodesique Francais 1993 v1", "id": { "authority": "EPSG", "code": 6171 } }, { "name": "Reseau Geodesique Francais 1993 v2", "id": { "authority": "EPSG", "code": 1312 } }, { "name": "Reseau Geodesique Francais 1993 v2b", "id": { "authority": "EPSG", "code": 1313 } }, { "name": "Rete Dinamica Nazionale 2008", "id": { "authority": "EPSG", "code": 1132 } }, { "name": "Serbian Reference Network 1998", "id": { "authority": "EPSG", "code": 1034 } }, { "name": "Serbian Spatial Reference System 2000", "id": { "authority": "EPSG", "code": 1214 } }, { "name": "Slovenia Geodetic Datum 1996", "id": { "authority": "EPSG", "code": 6765 } }, { "name": "SWEREF 99", "id": { "authority": "EPSG", "code": 6619 } }, { "name": "Swiss Terrestrial Reference Frame 1995", "id": { "authority": "EPSG", "code": 1449 } } ], "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "accuracy": "0.1", "id": { "authority": "EPSG", "code": 6258 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4258 }, "remarks": "Has been realized through ETRF89, ETRF90, ETRF91, ETRF92, ETRF93, ETRF94, ETRF96, ETRF97, ETRF2000, ETRF2005 and ETRF2014. This 'ensemble' covers any or all of these realizations without distinction." }, "method": { "name": "Molodensky-Badekas (CF geog2D domain)", "id": { "authority": "EPSG", "code": 9636 } }, "parameters": [ { "name": "X-axis translation", "value": 593.0297, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 26.0038, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 478.7534, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 1.9725, "unit": { "type": "AngularUnit", "name": "microradian", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -1.7004, "unit": { "type": "AngularUnit", "name": "microradian", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 9.0677, "unit": { "type": "AngularUnit", "name": "microradian", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 4.0812, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } }, { "name": "Ordinate 1 of evaluation point", "value": 3903453.1482, "unit": "metre", "id": { "authority": "EPSG", "code": 8617 } }, { "name": "Ordinate 2 of evaluation point", "value": 368135.3134, "unit": "metre", "id": { "authority": "EPSG", "code": 8618 } }, { "name": "Ordinate 3 of evaluation point", "value": 5012970.3051, "unit": "metre", "id": { "authority": "EPSG", "code": 8667 } } ], "accuracy": "0.5", "scope": "Transformation of coordinates at 0.5m level of accuracy.", "area": "Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.", "bbox": { "south_latitude": 50.75, "west_longitude": 3.2, "north_latitude": 53.7, "east_longitude": 7.22 }, "id": { "authority": "EPSG", "code": 15740 }, "remarks": "Replaces Amersfoort to ETRS89 (2) (tfm code 1066). Replaced by Amersfoort to ETRS89 (6) (tfm code 4831). Dutch sources also quote an equivalent transformation using the Coordinate Frame 7-parameter method - see tfm code 15739." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "proj=push" "v_3" "step" "proj=cart" "ellps=bessel" "step" "proj=molobadekas" "x=593.0297" "y=26.0038" "z=478.7534" "rx=0.406857330322398" "ry=-0.350732676542563" "rz=1.8703473836068" "s=4.0812" "px=3903453.1482" "py=368135.3134" "pz=5012970.3051" "convention=coordinate_frame" "step" "inv" "proj=cart" "ellps=GRS80" "step" "proj=pop" "v_3" "step" "proj=unitconvert" "xy_in=rad" "xy_out=deg" "step" "proj=axisswap" "order=2,1" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=molobadekas +x=593.0297 +y=26.0038 +z=478.7534 +rx=0.406857330322398 +ry=-0.350732676542563 +rz=1.8703473836068 +s=4.0812 +px=3903453.1482 +py=368135.3134 +pz=5012970.3051 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> <Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=molobadekas +x=593.0297 +y=26.0038 +z=478.7534 +rx=0.406857330322398 +ry=-0.350732676542563 +rz=1.8703473836068 +s=4.0812 +px=3903453.1482 +py=368135.3134 +pz=5012970.3051 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 15740, 'EPSG', 15740, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=molobadekas +x=593.0297 +y=26.0038 +z=478.7534 +rx=0.406857330322398 +ry=-0.350732676542563 +rz=1.8703473836068 +s=4.0812 +px=3903453.1482 +py=368135.3134 +pz=5012970.3051 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
Find a coordinate system and get position on a map. Powered by EPSG database 12.049
Copyright © 2026
&stroke=red&width=2&path=50.75,3.2|53.7,3.2|53.7,7.22|50.75,7.22|50.75,3.2)