Isolate the segment of the total market that fits your product capability, regulatory reach, and geography. Map reachability factors.
Built by an operator · Founder, Janardhan Digital
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SAM (Serviceable Addressable Market) is the share of the Total Addressable Market (TAM) that fits your business's product capabilities, target geography, and regulatory constraints: TAM × (Target Fit % ÷ 100). If your TAM is ₹100 Cr and 30% of that market matches your location and features, your SAM is ₹30 Cr.
SAM (Serviceable Addressable Market) represents the portion of the Total Addressable Market (TAM) that is reachable by your company's current product features, geographic footprint, and distribution model.
While TAM represents the absolute revenue ceiling of your industry, it is rarely possible to serve the entire market due to language barriers, localization needs, regulatory limits, or product capability mismatches. SAM filters out these unreachable segments to build a realistic picture of your addressable market.
Calculating SAM is essential for growth strategy. It helps management teams allocate sales resources, plan geographic expansion, and set target revenues based on accessible market segments.
Filter your total addressable market based on product features, integration limits, and target customer sizes.
Isolate your addressable market within specific target countries, regions, or regulatory zones.
Identify which feature developments or country launches will expand your SAM most cost-effectively.
SAM = TAM × (Target Fit % ÷ 100)
Enter your calculated Total Addressable Market (TAM) annual revenue or retrieve it from your market research.
Input the percentage of the total market that matches your product features, location, and regulatory reach.
Multiply TAM by the fit percentage to isolate your reachable Serviceable Addressable Market (SAM) annually.
SAM size depends on how targeted your product features and regional launches are.
Localized or regulated products (fintech, healthtech) face smaller SAM shares due to strict regional compliance requirements.
Founders often pitch massive TAM figures (e.g. '$10B global market') without explaining how their startup can serve those customers. If your software is only built in English and does not support local payment processors in Europe, those markets are unreachable. Including them in your target market sizing damages credibility with investors.
Your Serviceable Addressable Market (SAM) represents your actual reachable market. By filtering out unreachable segments, you build a credible model that reflects your product roadmap and sales capacity. Investors value a realistic, well-defined SAM far more than a vague, inflated TAM slide.
Expand your product to new target countries to unlock local buyers and increase your SAM size.
Localize your product language and payment integrations to reach new B2B customer segments.
Build integrations with standard enterprise software to qualify for larger B2B buyer requirements.
Introduce progressive checks to filter leads (See levers for details)
These tools work alongside SAM Calculator to give you a full B2B analysis.
TAM represents the total global demand for an industry. SAM is the specific portion of that market that fits your product capabilities, location, and compliance reach.
Multiply your TAM by the percentage representing the segment of customers that match your current features, location, and sales model.
Expand SAM by adding new features, launching in new countries, localizing languages, or building integrations required by enterprise buyers.
No. The calculator runs client-side inside your browser, ensuring all inputs, market sizes, and fit ratios remain private.
Across our work scaling tech startups, we see teams losing focus by targeting huge markets they cannot support. Win your reachable segment first. A well-defined SAM shows you exactly where to focus your sales and product efforts. Use this calculator to define your addressable market.
SAM defines your realistic product reach. Partner with Janardhan Digital to optimize B2B pricing, target segments, and run focused campaigns.
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