SQL Max Memory Calculator
Quickly and easily calculate the thread stack size, OS reserved, number of SQL threads as well as maximum instance memory for your SQL Server
SQL Max Memory Calculator will help you rapidly find out various important calculation results regarding a few aspects of your SQL Server deployment.
With SQL Max Memory Calculator, you are handed an easy-to-use yet powerful application that provides you with values for the thread stack size as well as the maximum number of threads and instance memory that your SQL Server can utilize on your computers.
You can get it here: https://sqlmem.codeplex.com/