HomeBusiness & ManagementEntrepreneurshipWhat is CAC / LTV Ratio?
Business & Management·1 min·Updated Mar 16, 2026

What is CAC / LTV Ratio?

Customer Acquisition Cost / Lifetime Value Ratio

Quick Answer

The CAC / LTV Ratio compares the cost of acquiring a customer (CAC) to the lifetime value of that customer (LTV). It helps businesses understand the profitability of their customer acquisition strategies.

Overview

The CAC / LTV Ratio is a key metric in business that helps entrepreneurs assess the effectiveness of their marketing and sales efforts. Customer Acquisition Cost (CAC) is the total expense incurred to acquire a new customer, including marketing and sales costs. Lifetime Value (LTV) is the total revenue a business can expect from a customer over the duration of their relationship. By comparing these two figures, businesses can determine if they are spending wisely to gain customers. For instance, if a company spends $100 to acquire a customer who will generate $400 in revenue over their lifetime, the CAC / LTV Ratio would be 0.25, indicating a healthy return on investment. This ratio is crucial for entrepreneurs as it informs them whether their customer acquisition strategies are sustainable and profitable. A low ratio suggests that the costs of acquiring customers are too high compared to the revenue those customers generate, prompting a need for reevaluation of marketing tactics.


Frequently Asked Questions

To calculate the CAC / LTV Ratio, divide the Customer Acquisition Cost by the Lifetime Value of a customer. For example, if your CAC is $200 and your LTV is $800, the ratio would be 0.25.
A high CAC / LTV Ratio suggests that a business is spending too much on acquiring customers relative to the revenue those customers will generate. This could indicate inefficiencies in marketing or sales strategies that need to be addressed.
For startups, understanding the CAC / LTV Ratio is vital for financial planning and sustainability. It helps entrepreneurs make informed decisions about marketing budgets and strategies to ensure long-term profitability.