Enter the total purchase amount ($) and the number of shares owned into the Stock Average Cost Calculator. The calculator will evaluate and display the Stock Average Cost. 

Stock Average Cost Formula

The following formula is used to calculate the Stock Average Cost. 

SAC = PA / #SO

  • Where SAC is the Stock Average Cost ($/share)
  • PA is the total purchase amount ($) 
  • #SO is the number of shares owned 

How to Calculate Stock Average Cost?

The following example problems outline how to calculate Stock Average Cost.

Example Problem #1:

  1. First, determine the total purchase amount ($). The total purchase amount ($) is given as 8,000.
  2. Next, determine the number of shares owned. The number of shares owned is provided as 40.
  3. Finally, calculate the Stock Average Cost using the equation above: 

SAC = PA / #SO

The values given above are inserted into the equation below:

SAC = 8000 / 40 = 200 ($/share)

Example Problem #2: 

The variables needed for this problem are provided below:

total purchase amount ($) = 9000

number of shares owned = 10

Entering these values and solving gives:

SAC = PA / #SO = 900.00 ($/share)