Know Your Market Size with Free TAM Calculator
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Your Total Addressable Market Value
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Common Methods to Calculate Total Addressable Market (TAM)
There are two main approaches to calculate Total Addressable Market (TAM) size: top-down and bottom-up market sizing. The top-down method relies on external market reports and gives broad estimates.
Bottom-up market sizing, used by Valasys, starts with real company data to deliver a more accurate and actionable TAM size. This helps B2B teams focus on high-fit accounts and improve lead generation outcomes.
FAQ's
TAM is the complete demand for your product or service across all possible markets, assuming no limitations. It gives a high-level view of your total revenue opportunity.
TAM can be estimated in different ways. Valasys uses a bottom-up model that starts with real company data applying filters like industry, size, and location to estimate how many accounts actually fit your ideal customer profile.
TAM represents the full market potential, while SAM (Serviceable Available Market) narrows it down to the segments your business can realistically reach today based on your capabilities and focus.
Our tools go beyond basic TAM sizing we help you identify in-market buyers, uncover intent signals, and focus your outreach on accounts most likely to convert, improving pipeline efficiency.
Definitely. Whether you’re testing product-market fit or scaling outreach, the calculator gives early-stage companies a focused view of their market so they can prioritize where to spend time and budget.