Enter the total thrust (N), the chamber pressure (Pa), and the throat area (m^2) into the Thrust Coefficient Calculator. The calculator will evaluate the Thrust Coefficient. 

Thrust Coefficient Formula

The following formula is used to calculate the Thrust Coefficient. 

TC = F / (Pc * At)


  • TC is the Thrust Coefficient ( )
  • F is the total thrust (N) 
  • Pc is the chamber pressure (Pa) 
  • At is the throat area (m^2) 

To calculate a thrust coefficient, divide the total thrust by the product of the chamber pressure and throat area.

How to Calculate Thrust Coefficient?

The following steps outline how to calculate the Thrust Coefficient.

  1. First, determine the total thrust (N).
  2. Next, determine the chamber pressure (Pa). 
  3. Next, determine the throat area (m^2). 
  4. Next, gather the formula from above = TC = F / (Pc * At).
  5. Finally, calculate the Thrust Coefficient.
  6. 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.

total thrust (N) = 300

chamber pressure (Pa) = 10

throat area (m^2) = 20

TC = F / (Pc * At) =  ?