Enter the total number of catches and the total effort units into the Calculator. The calculator will evaluate the Catch Per Unit Effort. 

Catch Per Unit Effort Formula

CPUE = C / E


  • CPUE is the Catch Per Unit Effort (catch/unit)
  • C is the total number of catches
  • E is the total effort units

To calculate Catch Per Unit Effort, divide the number of catches by the number of effort units.

How to Calculate Catch Per Unit Effort?

The following steps outline how to calculate the Catch Per Unit Effort.

  1. First, determine the total number of catches. 
  2. Next, determine the total effort units. 
  3. Next, gather the formula from above = CPUE = C / E.
  4. Finally, calculate the Catch Per Unit Effort.
  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.

total number of catches = 87

total effort units = 3