Free Customer Acquisition Cost Calculator Online

Customer Acquisition Cost Calculator, or CAC, is a metric that tells a business how much it costs to acquire a new customer. It factors in all the sales and marketing expenses involved in converting someone into a paying customer.

Customer Acquisition Cost Formula

CAC = Total Cost of Sales & Marketing / Number of New Customers Acquired

CAC formula in Excel, screenshot by author

Here’s a breakdown of the formula:

• Total Cost of Sales & Marketing: This includes all expenses incurred to acquire new customers during a specific period. This can involve advertising costs, marketing salaries, commissions, creative content production, sales software, and any other relevant expense.
• Number of New Customers Acquired: This is the total number of new customers your business gained within the same time frame used for calculating total costs.

How To Calculate Customer Acquisition Metric?

Example chart with customer acquisition cost by month, image by author

1. Define the time period: Choose a specific timeframe, such as a month, quarter, or year, to analyze your customer acquisition costs. Consistency in the timeframe is important for making comparisons over time.

Screenshot from Excel with table data for calculation, image by author

2. Identify Sales & Marketing Costs: Gather data on all expenses incurred for sales and marketing activities during the chosen period. This can include:

• Advertising costs: Pay-per-click (PPC) ads, social media ads, print or TV commercials, etc.
• Marketing salaries and commissions: Salaries of marketing personnel, freelance fees for marketing projects, and sales commissions.
• Marketing software: Costs of marketing automation tools, CRM software, or any subscription services used for marketing purposes.
• Content creation costs: Expenses for creating marketing materials like website content, videos, infographics, etc.
• Trade show costs: Participation fees, booth setup, and travel expenses for industry events.
• Public relations (PR) costs: Costs associated with press releases, media outreach, and influencer marketing.

3. Calculate total cost: Add up all the sales and marketing expenses you identified for the chosen timeframe.

4. Track new customer acquisition: Determine the total number of new customers acquired during the same timeframe. This could involve new signups, free trial conversions, or paid subscriptions, depending on your business model.

Watch a video on how to calculate this metric 👇

CAC calculation example:

Let’s say your company spent a total of $10,000 on sales and marketing in a quarter and acquired 50 new customers during that time.

CAC = $10,000 / 50 customers = $200 per customer

Know Your Customer Acquisition Cost: Why It Matters

Understanding how much it costs to acquire a new customer is crucial for any business. This is where Customer Acquisition Cost (CAC) comes in. It’s a simple calculation that reveals a wealth of information, empowering you to:

• Optimize Marketing Spend: Identify the most cost-effective channels for reaching new customers. Are social media ads delivering better results than pay-per-click campaigns? CAC helps you allocate marketing budget wisely.
• Improve Campaign Performance: Track CAC over time to assess the effectiveness of your marketing efforts. Are certain campaigns bringing in new customers at a lower cost? Focus on replicating those successes.
• Set Realistic Goals: Knowing your CAC allows you to set achievable targets for customer acquisition. Can you afford to acquire new customers at a specific price point? CAC helps set realistic expectations.