A surgical stapler includes a handle assembly, a central body extending distally from the handle assembly, an anvil assembly and a cartridge assembly. The handle assembly includes a stationary handle defining a window and a tissue gap indicator assembly that includes a slide that supports indicia that is visible through the window. The indicator assembly includes a lever which couples the slide to a drive screw of the surgical stapler to translate movement of the drive screw into movement of the slide. The lever is configured and adapted to translate movement of the drive screw over a distance of X1 into movement of the slide over a distance of X2, wherein X2 is greater than X1.
