Calculating TAM SAM SOM: A Founders Framework

Added:

TAM SAM S
Fake Pitch
Market Focus
Narrowing Down
Numbers Game
Best Practices
Simplify Pitch
Final Advice

TAM SAM S

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Playing Section
  • 1

    Introduces the concept of TAM, SAM, and SOM using a Taylor Swift analogy.

  • 2

    Defines TAM as 'could have', SAM as 'would have', and SOM as 'should have'.

  • 3

    Sets up a fictional startup example to illustrate the calculation process.

Basic business concepts, including market segmentation, target demographics, and product-market fit.
An understanding of common monetization strategies (e.g., SaaS, transactional, freemium) and pricing structures.
Fundamental quantitative and analytical skills required to interpret market reports and industry databases.
The basic conceptual difference between a company's immediate target audience and the broader industry landscape.
Applying 'bottom-up' versus 'top-down' market sizing methodologies using real-world industry data.
Integrating TAM, SAM, and SOM metrics into a compelling investor pitch deck and financial forecast.
Developing a Go-To-Market (GTM) strategy aimed specifically at capturing the identified Serviceable Obtainable Market (SOM).
Analyzing Unit Economics, including Customer Acquisition Cost (CAC) and Customer Lifetime Value (LTV), to validate the financial viability of the SOM.
960 views52likes14:41@edkang99Original Release: 2023-11-10

TAM (Total Addressable Market) represents the maximum revenue if everyone who could buy your product did so, SAM (Serviceable Available Market) is the realistic market after focusing on your target demographic, and SOM (Serviceable Obtainable Market) is the realistic revenue based on your go-to-market strategy and execution capability. To calculate these, start with total potential customers, narrow down to your target segment, and further refine based on your business model and market reach. For example, a startup targeting Taylor Swift fans might calculate TAM as 276 million followers × $10/year = $2.76 billion, SAM as 55 million YouTube users × $10/year = $550 million, and SOM as 26 million male fans × $10/year = $260 million. Founders should use bottom-up calculations with clear logic and show their math to demonstrate expertise and build investor confidence.