EPSG:3148 · Cambodia
Indian 1960 / UTM zone 48N to KML & KMZ
Indian 1960 / UTM zone 48N (EPSG:3148) is a Transverse Mercator (UTM) coordinate system on the Indian 1960 datum, with coordinates in metres. Its official area of use is: Cambodia; Vietnam west of 108°E.
- Converter already set to EPSG:3148
- Latitude and longitude on WGS 84, as Google Earth uses
- Download the point as KML
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Good to know
- Pick the UTM zone by longitude. Points outside the zone's area of use are flagged after conversion.
- Datum: Published 3-parameter shift (typically a few metres).
Convert a whole spreadsheet
- Open the web app or the Windows app, and paste your rows from Excel or open a CSV file.
- Under Coordinate system, search for “3148” and pick Indian 1960 / UTM zone 48N.
- Check one point you know on the map, then press Save KML or Save KMZ and open it in Google Earth.
Common mistakes with Indian 1960 / UTM zone 48N
- Feet entered as metres. Indian 1960 / UTM zone 48N is in metres. Coordinates copied from a drawing in feet must be converted first, or every point moves outwards from the grid's origin.
- Forgetting the datum. Indian 1960 / UTM zone 48N is not on WGS 84: published 3-parameter shift (typically a few metres). Picking a WGS 84 grid with the same projection instead leaves the points off by that amount.
- Points outside the grid's area. Indian 1960 / UTM zone 48N is meant for Cambodia; Vietnam west of 108°E. Points well outside that area convert with growing error; the converter flags them so you can choose the right grid.
- A local site grid. If every point is off by the same distance and direction, the drawing may be on a local site grid. Calibrate on three or more known control points instead.
New to this? Read how to convert easting and northing to latitude and longitude.