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Rule of 40


The Rule of 40 is a principle that states a software company's combined revenue growth rate and profit margin should equal or exceed 40%. SaaS companies above 40% are generating profit at a rate that's sustainable, whereas companies below 40% may face cash flow or liquidity issues.

How is rule of 40 calculated?

The rule of 40 formula requires just two inputs, growth and profit margin. To calculate this metric, you simply add your growth in percentage terms plus your profit margin. For example, if your revenue growth is 15% and your profit margin is 20%, your rule of 40 number is 35% (15 + 20) which is below the 40% target.

Who invented rule of 40?

The Rule of 40 – popularized by Brad Feld – states that for healthy SaaS companies, if the growth rate were to be added to their profit margin, the combined value should typically exceed 40%.

What is the rule of 50?

The 50/30/20 rule is an easy budgeting method that can help you to manage your money effectively, simply and sustainably. The basic rule of thumb is to divide your monthly after-tax income into three spending categories: 50% for needs, 30% for wants and 20% for savings or paying off debt.

What is a good EBITDA margin for SaaS companies?

The Rule of 40 is a SaaS financial ratio that compares revenue growth to profitability. It's an at-a-glance look at the performance of your business. The rule of 40 states that a healthy SaaS company has a combined growth rate and profit margin of 40% or more.