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Port Louis Coordinates

Port Louis, Mauritius · Elevation 5m

Quick answer: Port Louis is located at -20.165400, 57.489600 (S, E).

Different tools require different formats — Garmin devices default to DDM, military maps use MGRS, topo maps use UTM, and web apps expect Decimal Degrees. Copy whichever format your device or application needs. Click any format abbreviation to learn how it works.

All Coordinate Formats

DD

Decimal Degrees

-20.165400, 57.489600
DMS

Degrees Minutes Seconds

20°9'55.44"S 57°29'22.56"E
DDM

Degrees Decimal Minutes

20°9.9240'S 57°29.3760'E
UTM

Universal Transverse Mercator

40K 551161 7770140
MGRS

Military Grid Reference

40KEC5116170140
Geohash

Geohash Encoding

mk2vk1n8h
Plus Code

Open Location Code

5HFVRFMQ+X3

Map Location

Map data © OpenStreetMap contributors

Antipodal Point

The point on the exact opposite side of Earth from Port Louis. If you drilled straight through the planet's center, you would emerge here.

Antipodal coordinates

20.165400, 57.489600

Hemisphere: N, E

DD

Decimal Degrees

20.165400, 57.489600
DMS

Degrees Minutes Seconds

20°9'55.44"N 57°29'22.56"E
DDM

Degrees Decimal Minutes

20°9.9240'N 57°29.3760'E
UTM

Universal Transverse Mercator

40Q 551161 2229860
MGRS

Military Grid Reference

40QEH5116129860
Geohash

Geohash Encoding

t78fsnyxu
Plus Code

Open Location Code

7HGV5F8Q+5V

MGRS Decoded

MGRS encodes location as a nested hierarchy — zone, band, grid square, and offsets. Here is what each component of 40KEC5116170140 means.

Component Value Meaning
UTM Zone 40 One of 60 vertical slices of Earth (6° wide each). Zone 40 runs 54° to 60° longitude.
Latitude Band K One of 20 horizontal bands (8° tall each), lettered C–X (skipping I and O). Indicates the general latitude region.
100 km Square EC A 100 × 100 km grid square within the zone/band. Column letter E (west–east) and row letter C (south–north).
Easting 51161 Distance east within the 100 km square. 5-digit value = 10 m resolution. Multiply by 1 to get meters.
Northing 70140 Distance north within the 100 km square. Same resolution as easting (10 m).

Geohash Precision

A geohash encodes coordinates by subdividing the Earth into progressively smaller cells. Each extra character roughly halves the cell area. The table below shows Port Louis's geohash at every precision level alongside the bounding box each level represents.

Length Geohash Cell Size
1
m
≈ 5,000 × 5,000 km
2
mk
≈ 1,250 × 625 km
3
mk2
≈ 156 × 156 km
4
mk2v
≈ 39 × 20 km
5
mk2vk
≈ 4.9 × 4.9 km
6
mk2vk1
≈ 1.2 km × 610 m
7
mk2vk1n
≈ 153 × 153 m
8
mk2vk1n8
≈ 38 × 19 m
9
mk2vk1n8h
≈ 4.8 × 4.8 m

Precision 9 (highlighted) is the default and provides sub-5-metre accuracy for most applications.

About Port Louis

Capital of Mauritius, a major Indian Ocean port and financial hub.

Live Converter

The coordinates above are fixed to this landmark. Use this converter to enter any other coordinates — such as a nearby trailhead, parking area, or a location you want to compare — and get all 7 formats instantly.

DD

-20.165400, 57.489600

DMS

20°9'55.44"S 57°29'22.56"E

DDM

20°9.9240'S 57°29.3760'E

UTM

40K 551161 7770140

MGRS

40KEC5116170140

GH

mk2vk1n8h

OLC

5HFVRFMQ+X3

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