TNT can be crafted in 3 ways — the grid above cycles through all of them. Variant 1 is a shaped crafting recipe that uses 9 items: 5 Gunpowder and 4 Sand. Place the ingredients exactly in the pattern shown above. The pattern can sit anywhere on the grid as long as its shape stays the same. It needs the full 3×3 grid, so you have to use a crafting table.
You need 5 Gunpowder and 4 Sand — 9 items in total, arranged as shown in the crafting grid. The recipe gives you 1× TNT.
Yes. The recipe needs the full 3×3 grid, which only a crafting table offers.
It is a shaped recipe: the arrangement matters. You can shift the pattern around the grid, but the shape must stay the same.
Yes. There are 3 variants of the recipe — the others use Red Sand and Sand and Red Sand. The grid on this page cycles through all of them.
TNT is an ingredient in 2 crafting recipes, for example Minecart with TNT and Underwater TNT.