tam-sam-som-calculator

Calculate TAM, SAM, and SOM market sizes with cited data.

24|3|Updated Jan 24, 2026
One-click install
npx skills add https://github.com/Prorise-cool/prorise-claude-skills --skill tam-sam-som-calculator-prorise-cool
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: tam-sam-som-calculator
Source: https://github.com/Prorise-cool/prorise-claude-skills/tree/main/.claude/skills/product-specialist/references/domains/product-management/tam-sam-som-calculator
Command: npx skills add https://github.com/Prorise-cool/prorise-claude-skills --skill tam-sam-som-calculator-prorise-cool

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps you calculate Total Addressable Market (TAM), Serviceable Available Market (SAM), and Serviceable Obtainable Market (SOM) for your product or business idea, providing a data-backed foundation for strategic decisions.

Core Features & Use Cases

  • Guided Market Sizing: Asks adaptive questions to gather necessary context.
  • Data-Driven Estimates: Leverages real-world data sources and economic projections.
  • Use Case: When pitching a new SaaS product to investors, use this Skill to generate a credible market size estimate for your pitch deck, backed by citations and clear assumptions.

Quick Start

Use the tam-sam-som-calculator skill to guide me through calculating TAM, SAM, and SOM for a new B2B SaaS productivity tool targeting small businesses in the US.

Frequently Asked Questions about tam-sam-som-calculator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate TAM, SAM, and SOM for a business case or investor pitch?

To calculate TAM, SAM, and SOM, you need to define your target market constraints and expected capture rate. This Skill guides you through adaptive questions to build defensible market size estimates backed by real-world citations and economic projections for your investor pitch.

What is the best way to size a market for a new B2B SaaS product?

The best way to size a market for a B2B SaaS product is to use data-driven estimates based on population data and economic projections. This approach asks contextual questions about your target audience to generate a credible market size estimate backed by clear assumptions.

Can I use this market sizing approach for a specific region like the US?

Yes, you can calculate market size for a specific region like the US by providing your target context. The Skill leverages real-world data sources and economic projections to tailor the Total Addressable Market and Serviceable Available Market estimates to your defined geographic constraints.

Do I need existing population data to estimate my Serviceable Obtainable Market?

You do not need to provide existing population data to estimate your Serviceable Obtainable Market. The Skill leverages built-in real-world data sources and economic projections to build your market size estimates based on the adaptive questions it asks about your product.

How does market sizing handle varying business strategies and product ideas?

Market sizing handles varying business strategies by asking adaptive, contextually relevant questions about your specific product idea. This ensures the TAM, SAM, and SOM calculations reflect your unique business case rather than relying on generic industry templates.

When do I need a data-backed market size estimate instead of a simple projection?

You need a data-backed market size estimate instead of a simple projection when validating a business case or pitching investors. This Skill provides defensible TAM, SAM, and SOM figures supported by real-world citations and economic data to withstand due diligence.