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tam-sam-som-calculator

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Calculate TAM, SAM, and SOM with explicit assumptions, methods, and caveats. Use when sizing a market for a product idea, business case, or executive review.

When to use

• Guide product managers through calculating Total Addressable Market (TAM), Serviceable Available Market (SAM), and Serviceable Obtainable Market (SOM) for a product idea by asking adaptive, contextually relevant questions. Use this to buil…

When not to use

• Internal tools with captive users
• Before defining the problem
• As the only validation without customer research

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