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Total Addressable Market (TAM) Calculator

Calculate TAM, SAM, and SOM for your business opportunity.

About This Calculator

TAM, SAM, and SOM are the market sizing framework taught in every MBA program. Airbnb's original pitch deck estimated the US hotel TAM at $20 billion. Investors look for $1B+ TAM markets for venture investment — but a realistic SOM of $50–$100M in 5 years is what actually matters.

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