EPSG systems

EPSG:24375 Kalianpur 1937 / India zone IIb

Projected system (Lambert Conic Conformal (1SP)) in use: Bangladesh - onshore. The full definition below, and conversion in one click.

System record
CodeEPSG:24375
NameKalianpur 1937 / India zone IIb
TypeProjected system — Lambert Conic Conformal (1SP)
Area of use Bangladesh - onshore
Bounds W 88,01° · S 20,52° · E 92,67° · N 26,64°
Countries Bangladesh
DatumKalianpur 1937
Ellipsoid Everest 1830 (1937 Adjustment) a = 6377276.345 m · 1/f = 300.8017
Base geographic system EPSG:4144 — Kalianpur 1937
Unit metre (E east, N north)
Transformation to WGS 84 Kalianpur 1937 to WGS 84 (1) (EPSG:1155) — accuracy 18 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin26degree
Longitude of natural origin90degree
Scale factor at natural origin0.99878641unity
False easting2743185.69metre
False northing914395.23metre

proj4 definition

+proj=lcc +lat_1=26 +lat_0=26 +lon_0=90 +k_0=0.99878641 +x_0=2743185.69 +y_0=914395.23 +ellps=evrst30 +units=m +towgs84=282,726,254 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:24375.

WKT (ESRI format, the .prj content)

PROJCS["Kalianpur_1937_India_Zone_IIb",GEOGCS["GCS_Kalianpur_1937",DATUM["D_Kalianpur_1937",SPHEROID["Everest_Adjustment_1937",6377276.345,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",2743185.69],PARAMETER["False_Northing",914395.23],PARAMETER["Central_Meridian",90.0],PARAMETER["Standard_Parallel_1",26.0],PARAMETER["Scale_Factor",0.99878641],PARAMETER["Latitude_Of_Origin",26.0],UNIT["Meter",1.0]]

All systems — Bangladesh

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.