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    Customer Acquisition Cost (CAC) Calculator

    Calculate your true customer acquisition cost — both the simple version and the fully-loaded version that includes all hidden costs.

    Basic CAC(Simple Version)

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    Basic CAC

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    Fully Loaded CAC(Complete Picture)

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    Enter your numbers above to see the comparison

    What a Fully-Loaded CAC Includes

    Most companies dramatically underestimate their true customer acquisition cost because they only count direct advertising spend. A fully-loaded CAC includes every cost associated with winning a new customer. Here's the complete checklist:

    Team Costs

    • Marketing team salaries and benefits
    • Sales team salaries, commissions, and bonuses
    • Sales and marketing management time allocation

    Advertising & Media

    • Paid advertising spend (all channels)
    • Sponsorships and partnerships
    • Events and conferences
    • Brand campaigns and PR

    Tools & Software

    • CRM and sales tools
    • Marketing automation platforms
    • Analytics and attribution tools
    • Demo and presentation software

    Production & Services

    • Content production (writers, designers, video)
    • Agency and contractor fees
    • Creative and design services

    Overhead Allocation

    • Office space allocation
    • Management oversight time
    • Recruiting costs for sales/marketing hires

    Important: Most companies underestimate their real CAC by 2-3x because they only count ad spend. Lech Kaniuk calls this "Performance CAC" — useful for channel optimization but dangerous for strategic decisions. Your LTV:CAC ratio should always use Fully Loaded CAC for accurate unit economics.

    CAC Benchmarks by Business Model

    Customer acquisition costs vary dramatically by business model, sales motion, and target market. Use these benchmarks to contextualize your results, but remember that the most important metric is your LTV:CAC ratio, not CAC in isolation.

    Business ModelTypical CAC RangeNotes
    B2B SaaS (SMB)$200–$1,000Self-serve and inside sales
    B2B SaaS (Enterprise)$2,000–$15,000Field sales, long cycles
    B2C SaaS$20–$200Digital acquisition
    E-commerce (DTC)$15–$80Paid social, search
    Marketplace$50–$300Both supply and demand side

    Blended CAC vs Channel CAC

    One of the most dangerous traps in unit economics is relying on blended CAC averages. Your blended CAC might look healthy while hiding channels that are destroying value.

    The Hidden Problem with Averages:

    As Lech Kaniuk writes in Chapter 6 of "The Two Numbers," your blended CAC might be €150, but paid social could be €80 while events are €500. The average hides where you're actually losing money. A 3:1 LTV:CAC ratio looks great until you realize half your customers come from a 1.5:1 channel while the other half come from a 4.5:1 channel.

    The solution is to calculate CAC at the channel level, then at the campaign level, and finally at the cohort level. This "Stratification Model" approach reveals which acquisition paths create value and which destroy it. Only then can you make informed decisions about where to invest and where to cut.

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    Get the Complete Framework

    This calculator uses the methodology from "The Two Numbers That Build or Break Every Business" by Lech Kaniuk. The book includes the complete CAC Triangle framework, channel-level optimization playbooks, and the Stratification Model for deep CAC analysis.

    • The CAC Triangle: targeting, conversion, and efficiency optimization
    • Why "fully loaded" CAC is often 2-3x higher than you think
    • Channel-by-channel benchmarks and optimization strategies
    Learn More About the Book →

    Frequently Asked Questions