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Google Maps Tile Scales

October 29, 2011

I found this buried deep in an appendix of the Mapnik XML Schema Reference, and I thought it so useful I am reposting it here:

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

These are used not only by Google Maps, but also by Bing Maps, OSM, CloudMade and many others, and in fact just about any Google Mercator tile source.

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