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Dan Gray

Startup Market Size Calculator - Three approaches to calculating TAM/SAM/SOM with benchmarks

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A free tool to estimate your Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) for investor pitches. Calculate your startup's market size, combined with real-world comparables from Equidam data.

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Dan Gray
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Hey Hunters! 🚀 Providing credible numbers on market size is a headache for founders, but many investors see it as a critical part of the pitch. That's why we built a practical Startup Market Size Calculator, a free tool that helps you estimate TAM, SAM, and SOM with real benchmarks from 200+ industries based on more than a decade of fundraising data on Equidam. How it works: - Pick your vertical and input your traction (revenue, users, GMV). - Triangulate with Top-Down, Bottom-Up, and Value-Based methods. - Export defensible figures as a PDF, or copy to Excel. No more vague "$X billion market" claims, give numbers based on a rational process that you can explain, and that stand up to scrutiny. . We've put insights from conversations with a LOT of founders into this (check our guides on benchmarking and sizing methods for more). Give it a spin, and let us know how we can improve!