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TAM SAM SOM Calculator

Calculate your market size for investors

TAM (Total Addressable Market), SAM (Serviceable Addressable Market) and SOM (Serviceable Obtainable Market) are essential for your pitch deck. VCs want to see a large enough market (TAM > $1B) with a realistic SAM and achievable SOM in the short term.

Your Data

M$
%
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Formula used:

TAM → SAM (%) → SOM (%)

Result

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SaaS Benchmarks

TAM < $1BToo small for VC
TAM $1-10BNiche market
TAM $10-100BAttractive market
TAM > $100BMega-market

Optimization Tips

  • VCs look for TAM > $1B for exit potential
  • A SAM of 10-20% of TAM is realistic for a targeted segment
  • Aim for 1-5% of SAM as SOM for the first 3 years
  • Cite your sources: Gartner, Statista, industry reports
  • Bottom-up (customers × price) is more credible than top-down
  • Show the CAGR (annual growth rate) of the market

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Related Metrics

Market SizeCAGRMarket ShareRevenue Potential

How to Use This Calculator

TAM is the total theoretical market. SAM is the portion you can technically address (geography, segment). SOM is what you can realistically capture short-term (1-3 years).

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