A convertible sawhorse and worktable including a sawhorse assembly having first and second outer-facing side surfaces and a worktable top assembly arranged for selectable positioning relative to the sawhorse assembly, the worktable top assembly including a worktable surface defining element and a worktable auxiliary support assembly, the worktable top assembly having at least two operative orientations including a storage operative orientation wherein the worktable surface defining element is located adjacent the first outer-facing side surface of the sawhorse assembly and the worktable auxiliary support assembly is located adjacent the second outer-facing side surface of the sawhorse assembly and a worktable usage operative orientation wherein the worktable surface defining element is located above the sawhorse assembly and the worktable auxiliary support assembly is located adjacent the second outer-facing side surface of the sawhorse assembly.