British National Grid (BNG), EPSG: 27700
Origin: (0,0) bottom-left
Bounds: (0,0) (700000,1300000)
Tile size: 256 x 256 pixels
Format: JPEG (.jpg)
Zoom stacks in the Alternative British Grid (BNG2) have fixed x2 scale jumps, which is required for compatibility with some GIS software.
| Zoom | Scale | Resolution | Tile Width / Height (metres) | Source |
|---|---|---|---|---|
| 0 | 20,480,000 | 5734.4 | 1,468,006.4 | Bluesky International / APGB |
| 1 | 10,240,000 | 2867.2 | 734,003.2 | Bluesky International / APGB |
| 2 | 5,120,000 | 1433.6 | 367,001.6 | Bluesky International / APGB |
| 3 | 2,560,000 | 716.8 | 183,500.8 | Bluesky International / APGB |
| 4 | 1,280,000 | 358.4 | 91,750.4 | Bluesky International / APGB |
| 5 | 640,000 | 179.2 | 45,875.2 | Bluesky International / APGB |
| 6 | 320,000 | 89.6 | 22,937.6 | Bluesky International / APGB |
| 7 | 160,000 | 44.8 | 11,468.8 | Bluesky International / APGB |
| 8 | 80,000 | 22.4 | 5,734.4 | Bluesky International / APGB |
| 9 | 40,000 | 11.2 | 2,867.2 | Bluesky International / APGB |
| 10 | 20,000 | 5.6 | 1,433.6 | Bluesky International / APGB |
| 11 | 10,000 | 2.8 | 716.8 | Bluesky International / APGB |
| 12 | 5,000 | 1.4 | 358.4 | Bluesky International / APGB |
| 13 | 2,500 | 0.7 | 179.2 | Bluesky International / APGB |
A colour version of this stack is available as m3230.