Customer Acquisition Cost (CAC)
Customer Acquisition Cost (CAC) is a business metric that measures the average cost required to acquire a new customer. It calculates the total investment made in marketing, sales, and customer acquisition activities compared to the number of new customers gained during a specific period. CAC helps organizations understand the efficiency and profitability of their customer acquisition strategies.
Businesses use CAC to evaluate the performance of marketing campaigns, sales efforts, advertising channels, and overall growth strategies. Costs included in CAC may include digital advertising, content marketing, public relations, sales team expenses, software tools, events, promotions, and other customer acquisition investments. Organizations analyze CAC alongside metrics such as customer lifetime value (CLV), conversion rates, return on investment (ROI), and return on ad spend (ROAS) to determine whether acquisition efforts are creating sustainable growth.
By monitoring customer acquisition cost, organizations can optimize marketing budgets, identify the most effective acquisition channels, improve sales efficiency, and make informed decisions about scaling growth initiatives. A lower CAC relative to customer lifetime value generally indicates a more efficient and sustainable business model.
For example, a software company that spends $50,000 on marketing and sales activities in a month and gains 500 new customers during that period has a CAC of $100 per customer, allowing the company to evaluate whether that acquisition cost is justified by the revenue those customers generate over time.
Related Terms: Customer Lifetime Value (CLV), Return on Investment (ROI), Return on Ad Spend (ROAS), Lead Generation, Conversion Rate Optimization (CRO), Digital Marketing, Marketing Analytics, Sales Funnel, Performance Marketing, Customer Retention.