How To Calculate Customer Acquisition Cost (CAC) in Excel or Sheets

Introduction
Understanding your customer acquisition cost (CAC) is essential for any business looking to optimize marketing spend and maximize return on investment (ROI). CAC tells you how much it costs to acquire a single customer, and it's a crucial metric for measuring the effectiveness of your marketing and sales efforts.
In this blog post, we'll show you two simple ways to calculate CAC in Excel or Sheets:
Method 1: The Basic Formula
The basic formula for CAC is:
CAC = Total Customer Acquisition Costs / Number of New Customers Acquired
Here's how to use this formula in Excel or Sheets:
- Gather your data: You'll need two pieces of data:
- Total customer acquisition costs: This includes all the marketing and sales expenses you incurred during a specific period (e.g., month, quarter, year). This could include advertising costs, marketing automation fees, sales salaries and commissions, and event expenses.
- Number of new customers acquired: This is the total number of new customers you acquired during the same period.
- Enter your data into your spreadsheet: In Excel or Sheets, enter your total customer acquisition costs in one cell and the number of new customers acquired in another cell.
- Use the formula: In a third cell, enter the formula
=A1/B1
, where A1 is the cell containing your total customer acquisition costs and B1 is the cell containing the number of new customers acquired.
- Format the cell: The cell containing your CAC will now display the average cost of acquiring a new customer during the specified period. You can format this cell as currency to make it easier to read.
Method 2: The Detailed Breakdown
For a more detailed analysis, you can break down your CAC calculation into different marketing channels or customer acquisition campaigns. This will help you identify which channels are the most effective at acquiring customers and where you can optimize your spending.
Here's how to use this method:
- Create a table: Create a table in your spreadsheet with the following columns:
- Channel/Campaign: List each marketing channel or customer acquisition campaign you used during the specified period.
- Cost: Enter the total cost of each channel/campaign.
- Customers Acquired: Enter the number of new customers acquired through each channel/campaign.
- CAC per Channel/Campaign: Use the formula
=C2/D2
in the third row (and copy it down for other channels/campaigns) to calculate the CAC for each channel/campaign.
- Analyze your results: By analyzing your CAC per channel/campaign, you can see which channels are the most cost-effective for acquiring new customers. You can then use this information to allocate your marketing budget more efficiently.
Calculating your CAC is a simple but essential step for any business looking to grow profitably. By using the methods outlined in this blog post, you can easily calculate your CAC in Excel or Sheets and gain valuable insights into the effectiveness of your marketing and sales efforts.