CAC Calculator

Calculate Customer Acquisition Cost

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Understanding Customer Acquisition Cost

What is CAC?

Customer Acquisition Cost (CAC) measures how much you spend on marketing and advertising to acquire one new customer. It's a crucial metric for understanding the efficiency of your marketing efforts and determining if your customer acquisition strategy is sustainable.

How to Calculate CAC

CAC = Total Ad Spend / Number of Customers

Example Calculation

If you spend $5,000 on ads and acquire 100 new customers:

  • Total Ad Spend: $5,000
  • Number of Customers: 100
  • CAC: $5,000 / 100 = $50

This means it costs you $50 to acquire each new customer through your advertising efforts.

What is a Good CAC?

A good CAC varies significantly by industry and business model:

  • Below $10: Excellent - very efficient acquisition
  • $10 - $50: Good - healthy acquisition cost
  • $50 - $100: Moderate - acceptable for many businesses
  • Above $100: High - consider optimizing your marketing strategy

CAC vs LTV

CAC should always be compared against Lifetime Value (LTV). A healthy business typically has LTV:CAC ratio of 3:1 or higher. If your CAC is higher than your LTV, you're losing money on each customer over their lifetime.

Tips to Lower CAC

  • Improve targeting: Focus on high-intent audiences likely to convert
  • Optimize ad creative: Test different ad formats and messaging
  • Refine landing pages: Improve conversion rates with better UX
  • Use retargeting: Re-engage interested users
  • Analyze channels: Focus on best-performing platforms