Free Market Size Calculator
Calculate Total Addressable Market, Serviceable Addressable Market, and Serviceable Obtainable Market. Essential for business plans, investor pitches, and market validation. No signup required.
100% free β no account needed
Total market potential
Percentage you can serve
Percentage you can realistically capture
Estimation Tips
Start with industry reports and research
Consider your geographic and demographic reach
Base this on your current market share and growth
Free Market Size Calculator Features
TAM, SAM, SOM analysis for your business
Visual Funnel
See your TAM β SAM β SOM as a narrowing funnel with dollar amounts.
SAM
Serviceable Addressable Market β the segment you can actually reach with your product.
SOM
Serviceable Obtainable Market β the realistic share you can capture in the near term.
TAM
Total Addressable Market β the entire revenue opportunity if you captured 100% of the market.
FAQ
How do I estimate TAM?
Top-down: use industry reports. Bottom-up: (# of potential customers) Γ (average revenue per customer). Both approaches have merit; ideally use both and compare.
What SAM percentage is typical?
SAM is usually 10-40% of TAM, depending on geographic, demographic, and product-fit constraints. Be specific about why certain segments are addressable.
What SOM should I target?
SOM is typically 5-20% of SAM for startups in year 1-3. Established companies may capture 20-40%. Be realistic β investors prefer honest estimates.
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