CAC Calculator

Calculate your Customer Acquisition Cost directly using both strict ad-spend and fully-loaded agency models.

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Loaded CAC (Total Cost)
$0
Total Marketing Outlay
$0
Direct Ad Spend CAC (CPA)
$0
Formula / Calculation
CAC = (Sales & Marketing Expenses) / Total New Customers

Customer Acquisition Cost (CAC)

Customer Acquisition Cost (CAC) is the absolute lifeblood metric of any startup, ecommerce brand, or SaaS company. It answers a simple question: How much money do you have to spend to convince a single person to buy your product? If your CAC exceeds the immediate profit from a sale, you rely entirely on repeat customer lifetime value (LTV) to survive.

Unpacking the Costs

Fully Loaded CAC

The true cost of growth. It includes raw Facebook ad spend, PR bills, marketing software subscriptions (Klaviyo/Mailchimp), AND the salaries of your sales and marketing teams.

Direct CAC / CPA

Cost Per Acquisition looks strictly at the ad platforms. E.g., Total Facebook Ad Spend divided by Sales. Often used by solo dropshippers who have no salaries or agency retainers.

The LTV/CAC Ratio

A healthy business targets an LTV:CAC ratio of 3:1 (e.g., they spend $10 to acquire a customer who will spend $30 over their lifetime).

Improving Acquisition Economics

Optimize landing pages for conversion rate (CRO). Bumping your conversion rate from 1% to 2% literally cuts your CAC in half overnight without changing ad budgets.
Focus heavily on organic SEO and viral referrals. "Free" organic traffic blends with paid traffic to drastically lower your overall company CAC matrix.
Leverage retargeting. It is historically cheaper to acquire customers who have already visited your site once than entirely cold audiences.

Frequently Asked Questions

Is a high CAC bad?
It depends entirely on the product price and margin. A B2B software company selling a $50k enterprise server license can comfortably sustain a $5,000 CAC. A t-shirt brand selling $20 shirts will go bankrupt instantly with a $35 CAC.