Enter the growth rate and profit margin into the calculator to determine the Rule of 40 for SaaS companies. This calculator can also evaluate any of the variables given the others are known.

Rule Of 40 Saas Formula

The following formula is used to calculate the Rule of 40 for SaaS companies.

Rule of 40 = Growth Rate + Profit Margin


  • Growth Rate (%) is the annual growth rate of the company’s revenue
  • Profit Margin (%) is the company’s net profit divided by its total revenue, expressed as a percentage

To calculate the Rule of 40, add the company’s annual growth rate to its profit margin. If the result is 40% or more, the company is considered to be balancing growth and profitability effectively according to the Rule of 40.

What is a Rule Of 40 Saas?

The Rule of 40 is a benchmark for SaaS (Software as a Service) companies to balance their growth and profitability. It states that a successful SaaS company’s growth rate and profit margin should add up to 40% or more. For example, if a company is growing at 20% annually, it should have a profit margin of at least 20%. This rule helps companies to maintain a balance between investing for growth and ensuring profitability.

How to Calculate Rule Of 40 Saas?

The following steps outline how to calculate the Rule of 40% for a SaaS company.

  1. First, determine the Growth Rate (%).
  2. Next, determine the Profit Margin (%).
  3. Next, gather the formula from above = Rule of 40% = Growth Rate (%) + Profit Margin (%).
  4. Finally, calculate the Rule of 40%.
  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.

Growth Rate (%) = 25

Profit Margin (%) = 15