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fin.market-sizing Calculator
Estimates TAM, SAM, and SOM from market assumptions and calculates 5-year revenue potential at a given market share growth rate. Investors scrutinise market sizing rigorously — bottom-up estimates (units × price) are far more credible than top-down percentage claims.
Inputs
Tam
Reference formula or conversion factor shown for context.
Penetration
Reference formula or conversion factor shown for context.
Arpu
Total income generated before any costs are deducted. Profitability depends on how much survives after expenses.
Growth Rate
Reference formula or conversion factor shown for context.
Results
serviceable obtainable market (users)
Sample size or count used in the calculation.
annual revenue potential
The result expressed on a per-year basis.
5yr revenue (at growth rate)
The absolute increase in value over the period. Growth = final value minus initial value.
SAM (30% of TAM)
Reference formula or conversion factor shown for context.
TAM
Reference formula or conversion factor shown for context.
annual growth rate
The absolute increase in value over the period. Growth = final value minus initial value.