So this isn’t perfect, but it should get you very close to being able to use any Pathfinder or 3.5 monsters in D&D Next. It should even allow you to run a 3.5 or Pathfinder adventure on the fly, including NPC’s. This document tries to keep it to a very small amount of adjustments, which you can mentally do and pencil in. For all the calculations in here; round down.
