TAM SAM SOM Calculator

Calculate your Total Addressable Market, Serviceable Addressable Market, and Serviceable Obtainable Market.

Top-Down Approach

Industry research

Start with the total global market and narrow down by geography, segment, and your realistic reach.

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Enter the total global market size from industry research

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What portion of SAM can you realistically serve with your product?

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Realistic market share you can capture in 5 years (typically 1-5%)

Market Size Results

TAM

Total Addressable Market

$500B

SAM

Serviceable Addressable Market

$70B

SOM

Serviceable Obtainable Market

$280M

5-Year Revenue Potential

$280M

VC Scale: Excellent

TAM exceeds $10B. This market size is highly attractive to institutional VCs and can support multiple large outcomes.

Market Size Visualization

TAM
$500B

Total Addressable Market - Everyone who could potentially use your solution

SAM
$70B

Serviceable Addressable Market - Your target segment and geography

SOM
$280M

Serviceable Obtainable Market - Realistic 5-year capture

SAM as % of TAM

14.0%

SOM as % of SAM

0.40%

SOM as % of TAM

0.056%

Top-Down vs Bottom-Up Comparison

Pro tip: If your top-down and bottom-up estimates differ significantly, investigate the gap. Ideally, they should be within the same order of magnitude. Large discrepancies may indicate flawed assumptions.

This calculator provides estimates for planning purposes only. Market sizing involves significant uncertainty. Validate your assumptions with industry research, customer interviews, and expert consultation.

Want to learn more about TAM, SAM, SOM?

Read our comprehensive guide covering calculation methodologies, VC expectations, common mistakes, and how to present market size in your pitch deck.

Read the complete TAM SAM SOM guide →