Tiles

Choose a map tile server:

https://tile.openstreetmap.org/{z}/{x}/{y}.png https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}

Choose zoom level: 0 1 2 3 4

Mercator projection

Example zooming in on a fixed coordinate:

Note that all tiles have the same dimension of 256×256 pixels.

Here is a list of tiles at each zoom level containing Warsaw (52.23 N, 21.011111 W) from z=0 (entire world) to z=19 (maximum zoom-in for OSM):

Zoom	X	Y	Image (click to open in new window)
0	0	0
1	1	0
2	2	1
3	4	2
4	8	5
5	17	10
6	35	21
7	71	42
8	142	84
9	285	168
10	571	337
11	1143	674
12	2287	1348
13	4574	2697
14	9148	5394
15	18296	10789
16	36593	21579
17	73186	43158
18	146372	86317
19	292745	172635