6x6

6x6, read as six by six, designates a two-dimensional arrangement with six units along each axis, forming a square grid of 36 cells. The term is used as a descriptor across disciplines to indicate a dimension or shape with sixfold repetition in both directions.

In mathematics and computer science, a 6x6 grid or matrix is a standard size for teaching concepts, for modeling small problems, and for designing test patterns. Sudoku variations use a 6x6 grid with symbols or digits from 1 to 6.

In games and puzzles, 6x6 boards appear in chess-like variants and in grid-based strategy games. A commonly known example in popular culture is the 6x6x6 Rubik's Cube, a twisty puzzle that expands the standard 3x3 cube with six layers along each axis and introduces additional parity considerations for solvers.

In transportation and industry, the term 6x6 describes vehicles with six wheels, all of which are driven. 6x6 trucks and off-road vehicles are used by military organizations, emergency services, and commercial operators for heavy payloads and challenging terrains.

Other uses include 6x6 arrangements in tiling, display matrices, and layout design, as well as generic references to six-by-six dimensions in architecture and manufacturing.