How to calculate Stair Stringer Rise and Run EASILY. Staircase Rise and Run.

I strived for an easy way to calculate rise and run on my deck stairs but this explanation can be used for any type of stair stringer. I tell you how to figure out your total number of stairs, calculate run, calculate rise and how to mark them out on a template to save on errors you may make (Lumber is expensive). Don't be confused when calculating Rise and Run for Stairs. It's easier than you think. Templating your Rise and Run makes it easy and can save you money. The overall height of your stair stringer is key in the calculation. The goal is to have a rise of about 7 inches so the general concept is to take the total height and divide it by 7 to come up with the total number of stairs you'll need. That will get you close to figuring out the rise. To get more exact you'll need to divide the total height again by your number of stairs. Adjustments must be made for the height of your treads. The most important thing to do is create a template first.