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TAM/SAM/SOM Calculator
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Market size calculator with visual funnel
TAM SAM SOM Calculator
TAM
$12.00B
Total Addressable Market
1.00M potential customers
SAM
$1.44B
Serviceable Addressable Market
120.0K reachable customers
SOM
$28.80M
Serviceable Obtainable Market
Year 3 target (2% share)
Market Size Funnel
TAM
$12.00B
SAM
$1.44B
12.0% of TAM
SOM (Y3)
$28.80M
2.0% of SAM
Calculation Details
TAM Calculation
TAM = 5.00M businesses × 20% targetable × $12,000/year = $12.00B
SAM Refinements
What % of TAM is in your serviceable geography?
What % of those need your specific solution?
SAM = $12.00B × 30% reach × 40% fit = $1.44B
SOM Projections (Market Share)
= $7.20M
= $28.80M
= $72.00M
TAM SAM SOM Guidelines
TAM
The total market demand for your product/service if you had 100% market share with no competition or constraints.
SAM
The portion of TAM you can realistically target given your business model, geography, and product capabilities.
SOM
The realistic market share you can capture in the near term given competition, resources, and go-to-market strategy.
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