Enter the total costs ($) and the total income ($) into the Calculator. The calculator will evaluate the Cost Income Ratio. 

Cost Income Ratio Formula



  • CIR is the Cost Income Ratio ()
  • TC is the total costs ($)
  • TI is the total income ($)

To calculate the Cost Income Ratio, divide the total costs by the income.

How to Calculate Cost Income Ratio?

The following steps outline how to calculate the Cost Income Ratio.

  1. First, determine the total costs ($). 
  2. Next, determine the total income ($). 
  3. Next, gather the formula from above = CIR = TC / TI.
  4. Finally, calculate the Cost Income Ratio.
  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 costs ($) = 4000

total income ($) = 3000