Step 3. Leave the stud that butts into the other wall loose and run the drywall through first. The equation is as follows: Studs needed = (length of the wall / OC spacing) + 1. Stud Framing Calculator. Add four studs for each 45-degree corner. For each corner you need it will add one stud. In this section, we will instruct you on how to calculate the number of studs in a wall personally. Step 2. Alternately, lay out and install the upper and bottom tracks but leave a gap in the inside corner and partition walls for the drywall to run through. Multiply the total wall length (in feet) by 0.75 (for 16-inch on-center stud spacing). Determine total linear feet of the project. In this calculator the wall comes with one stud on each end. Add three studs for each 90-degree corner. OC (on-center) spacing - the spacing between the center of one stud, and the center of the next stud. Depending on the location of the wall, you may only need studs every 24 inches. This amount is the total amount of length of top and bottom racks you'll need. Calculate the Studs. Remember, don't measure the OC from the end of … Add two studs for each wall intersection (where another wall abuts the wall you are estimating). We know that some people prefer to check everything twice. For partition walls coming out of this wall, the partition option will add two studs for each of those you added. Multiply linear feet by 12 to determine linear inches and divide by 16 to find the maximum number of studs needed. It can be done the same way that wood walls are build. and 24" O.C. How to Estimate Metal Stud Framing Step 1. Measure the perimeter of the room where the studs will be installed with a tape measure. Calculate materials based on the linear feet of the project. However, for the first and second studs in the wall this refers to the distance from the outside of the first stud to the center of the second stud. Estimating the materials needed for steel stud framing is much the same as for wood wall framing. Most common stud centers in residential Framing are 16" O.C. For the most part, this is referring to the distance between the centers of the studs. When walls are framed the studs are usually laid out “on centers,” usually 16″ or 24″.