EPSG:27120 · Trinidad and Tobago
Naparima 1972 / UTM zone 20N to KML & KMZ
Naparima 1972 / UTM zone 20N (EPSG:27120) is a Transverse Mercator (UTM) coordinate system on the Naparima 1972 datum, with coordinates in metres. Its official area of use is: Trinidad and Tobago - Tobago - onshore.
- Converter already set to EPSG:27120
- 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 “27120” and pick Naparima 1972 / UTM zone 20N.
- Check one point you know on the map, then press Save KML or Save KMZ and open it in Google Earth.
Check points for EPSG:27120
Five points inside the area of use of Naparima 1972 / UTM zone 20N, with their latitude and longitude on WGS 84 and their easting and northing in this grid (metres). Enter an easting and northing in the converter above: you should get the latitude and longitude shown, to a few centimetres.
| Point | Latitude | Longitude | Easting | Northing |
|---|---|---|---|---|
| Middle of the area of use | 11.24500° N | 60.67000° W | 754,221.06 | 1,243,893.59 |
| Towards the north-west | 11.34400° N | 60.80800° W | 739,065.08 | 1,254,731.61 |
| Towards the north-east | 11.34400° N | 60.53200° W | 769,203.84 | 1,254,972.79 |
| Towards the south-west | 11.14600° N | 60.80800° W | 739,228.58 | 1,232,823.55 |
| Towards the south-east | 11.14600° N | 60.53200° W | 769,387.98 | 1,233,060.73 |
Common mistakes with Naparima 1972 / UTM zone 20N
- Easting and northing swapped. In Naparima 1972 / UTM zone 20N the middle of the grid is near easting 754,221.06 and northing 1,243,893.59. If your easting column holds numbers like 1,243,893.59, the columns are the wrong way round and every point lands far away: swap them before converting.
- Feet entered as metres. Naparima 1972 / UTM zone 20N 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. Naparima 1972 / UTM zone 20N 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. Naparima 1972 / UTM zone 20N is meant for Trinidad and Tobago - Tobago - onshore. 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.