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Map Tile Grid Coverage

Count the whole tile positions needed to cover a rectangular pixel map, including grid dimensions and partially used right and bottom edges.

Use this result well

Inputs that matter
Map width (pixels), Map height (pixels), Tile width (pixels), Tile height (pixels)
Output to expect
Whole tile positions
  • Check the units and required inputs before comparing results.
  • Keep the assumptions with a copied result so you can reproduce the calculation later.
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Reference & details

How it works

Tiles covering a rectangular map

Calculate a rectangular grid large enough to cover your whole-pixel map dimensions. Review overhang explicitly without assuming a memory format or viewport. One rectangular grid, including partially used edge tiles. No four-byte map representation, number of layers or fixed visible viewport is assumed. Tile positions are not the number of unique artwork assets. Isometric, hexagonal and irregular layouts require a different geometric model.

Columns = ceil(map width ÷ tile width); rows = ceil(map height ÷ tile height); tile positions = columns × rows

Updated: September 2026

Example Scenarios

An arithmetic illustration using the values shown. Replace them with measurements or assumptions for your own scope.

Map width (pixels): 100Map height (pixels): 65Tile width (pixels): 32Tile height (pixels): 32

→ 12 positions

FAQ

A partly covered edge needs another tile position in a covering grid.

No. Many positions may reuse the same asset.

No. Use the engine representation, layers and actual allocation measurements.

About Map Tile Grid Coverage

Calculate a rectangular grid large enough to cover your whole-pixel map dimensions. Review overhang explicitly without assuming a memory format or viewport.