At just ¾" thick, it’s the thinnest wood board we tested. The 17"x14" footprint also offers a decent amount of space for cutting and chopping but is compact enough to keep in a small kitchen.

So 2x4x8 is two inches thick by four inches wide, and the board itself is eight feet long. This chart shows the nominal (in name only) and corresponding actual (real) dimensions of common wood ...