Enter the current contribution ($) and the maximum contribution ($) into the Calculator. The calculator will evaluate the Percent Contribution. 

Percent Contribution Formula

PC = CC / MC * 100


  • PC is the Percent Contribution (%)
  • CC is the current contribution ($)
  • MC is the maximum contribution ($)

To calculate Percent Contribution, divide the current contribution by the maximum contribution, then multiply by 100.

How to Calculate Percent Contribution?

The following steps outline how to calculate the Percent Contribution.

  1. First, determine the current contribution ($). 
  2. Next, determine the maximum contribution ($). 
  3. Next, gather the formula from above = PC = CC / MC * 100.
  4. Finally, calculate the Percent Contribution.
  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.

current contribution ($) = 7000

maximum contribution ($) = 32000


What is a Contribution Margin?

Contribution margin is the amount by which sales revenue exceeds variable costs. It is used to cover fixed costs and generate profit. It can be calculated on a per-unit basis or as a total amount.

How does the Contribution Margin Per Machine Hour affect business decisions?

The Contribution Margin Per Machine Hour helps businesses determine the efficiency of their machinery in generating revenue. By understanding this, businesses can make informed decisions on whether to invest in more machinery, improve current machinery, or optimize production schedules.

What is the significance of the Reinvestment Rate for a company?

The Reinvestment Rate is a measure of the percentage of earnings or profit that is reinvested in the business rather than distributed to shareholders or owners. It is significant because it can indicate the company’s growth potential and strategy towards expansion or improvement.

Can Percent Contribution vary significantly between products or services?

Yes, Percent Contribution can vary widely between different products or services within the same company. This variation is due to differences in pricing, cost structure, and demand. Understanding these differences can help businesses allocate resources more effectively and prioritize high-contribution offerings.