Enter the normal force (N) and the total area (m^2) into the Calculator. The calculator will evaluate the Normal Stress. 

Normal Stress Formula

NS = NF / A


  • NS is the Normal Stress (N/m^2)
  • NF is the normal force (N)
  • A is the total area (m^2)

To calculate Normal Stress, divide the normal force by the area of contact.

How to Calculate Normal Stress?

The following steps outline how to calculate Normal Stress.

  1. First, determine the normal force (N). 
  2. Next, determine the total area (m^2). 
  3. Next, gather the formula from above = NS = NF / A.
  4. Finally, calculate the Normal Stress.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

normal force (N) = 507

total area (m^2) = 32