Digital product

Market-Sizing Calculator (TAM/SAM/SOM)

A market size built from the bottom up, cross-checked against a top-down figure, and then subjected to the test that breaks most sizing: how many customers a month your obtainable share actually requires.

xlsx· v2.0· 88.4 KB

What you’ll get

  • Build it bottom-up; every input needs a source.
  • Cross-check top-down: a threefold gap means one is wrong.
  • Reality check turns SOM into customers against your capacity.
  • Diagnostics says whether the number survives investor questions.
  • 12 tabs, with a dashboard, diagnostics and benchmarks
  • Every formula visible, every input unlocked and editable
  • Five worked examples built in, switchable and editable
  • Yours to keep. Works offline, no account needed