# Map Projections

# Commonly Used Projections in Australia

In our work, we constantly need to look up the EPSG codes based on a projection description, or vice versa. Here’s a list of the ones we commonly encounter in our work across Australia.

EPSG Description
EPSG:3857 GlobalMercator
EPSG:4326 WGS84 / Long/Lat
EPSG:4283 GDA94 / Long/Lat
EPSG:28354 GDA94 / MGA Zone 54
EPSG:28355 GDA94 / MGA Zone 55
EPSG:28356 GDA94 / MGA Zone 56
EPSG:3111 GDA94 / Vicgrid
EPSG:32754 WGS84 / UTM Zone 54
EPSG:32755 WGS84 / UTM Zone 55
EPSG:32756 WGS84 / UTM Zone 56
EPSG:7844 GDA2020 / Long/Lat
EPSG:7854 GDA2020 / MGA Zone 54
EPSG:7855 GDA2020 / MGA Zone 55
EPSG:7856 GDA2020 / MGA Zone 56
EPSG:7899 GDA2020 / Vicgrid

# Map Tile Scales

Zoom level Scale denominator
0 559,082,264
1 279,541,132
2 139,770,566
3 69,885,283
4 34,942,642
5 17,471,321
6 8,735,660
7 4,367,830
8 2,183,915
9 1,091,958
10 545,979
11 272,989
12 136,495
13 68,247
14 34,124
15 17,062
16 8,531
17 4,265
18 2,133
19 1,066
20 533