Calculating Total Addressable Market
Understanding TAM
The Biggest Piece of the Pie
When launching a new product, one of the first questions you'll ask is: how big is the opportunity? This is where the Total Addressable Market, or TAM, comes in. It's a high-level view of the entire revenue potential for a product or service.
Total Addressable Market (TAM), also known as Total Available Market, refers to the overall revenue opportunity available for a product or service if it achieved 100% market share.
Think of it as the maximum possible size of your playground. If every single potential customer in the world for your type of product bought from you, your revenue would be the TAM. It's a theoretical ceiling, not a realistic sales forecast. No company ever captures 100% of its market.
So why bother with a number you'll never hit? Because TAM gives you a sense of scale. It helps you and potential investors understand the growth potential. A massive TAM suggests a large, healthy market with room for many players to succeed. A small TAM might signal a niche product, which could still be very profitable but has a lower ceiling for growth.
From Total to Obtainable
TAM is the starting point, but it's too broad to be a practical target. To get more realistic, we need to narrow it down with two related concepts: Serviceable Available Market (SAM) and Serviceable Obtainable Market (SOM).
Serviceable Available Market (SAM) is the segment of the TAM that your product or service can actually reach. It's narrowed down by factors like geography, language, or regulations. For example, if your TAM is the global market for electric bikes, your SAM might be the market for electric bikes in North America, because that's where you currently operate.
Serviceable Obtainable Market (SOM) is the portion of the SAM you can realistically capture. This is your target market for the near future, considering your competition, resources, and marketing strategy. It's the most grounded of the three metrics and represents your short-term sales goal. Continuing the example, your SOM would be the slice of the North American e-bike market you believe you can win in the next one to two years.
In short: TAM is the whole pie, SAM is the portion of the pie you can serve, and SOM is the slice you plan to eat.
Understanding these three levels helps you create a more focused and effective business strategy. You can see the long-term potential (TAM), define your current operational boundaries (SAM), and set achievable, immediate goals (SOM).
What does Total Addressable Market (TAM) represent?
A new company creates a language-learning app for Spanish speakers. The global market for all language apps is 2 billion. The company believes it can capture 2 billion figure represent?