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Customer Acquisition Cost (CAC) Calculator vs Rule of 40 Calculator

Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.

Business

Customer Acquisition Cost (CAC) Calculator

Calculate how much it costs to acquire one new customer by dividing total sales and marketing spend by new customers gained. The denominator of the all-important CLV:CAC ratio.

Answers
Customer Acquisition Cost ($)
Inputs
Total Marketing Spend, Sales Expenses, New Customers Acquired
Business

Rule of 40 Calculator

Check whether a SaaS company's growth rate plus profit margin clears the 40% benchmark that signals a healthy balance of growth and profitability.

Answers
Rule of 40 Score (%)
Inputs
Revenue Growth Rate, Profit Margin

At a glance

Customer Acquisition Cost (CAC) CalculatorRule of 40 Calculator
CategoryBusinessBusiness
AnswersCustomer Acquisition CostRule of 40 Score
Inputs32
Result unit$%

When to use each

Calculate how much it costs to acquire one new customer by dividing total sales and marketing spend by new customers gained. The denominator of the all-important CLV:CAC ratio.

Check whether a SaaS company's growth rate plus profit margin clears the 40% benchmark that signals a healthy balance of growth and profitability.

Compare page seeded from editorial siblings — both calculators list each other as related.