TAM SAM SOM Calculator (Market Size)

A business tool that calculates Total Addressable Market (TAM), Serviceable Available Market (SAM), and Serviceable Obtainable Market (SOM).

TAM, SAM and SOM Calculator Size your market from the bottom up: total customers, yearly revenue per customer, and the share you can serve and win. Possible customers in the whole market 1000000 Yearly revenue per customer 120 Share you can serve, % of TAM (your region, segment, channel) 25 Share you can win in 3 to 5 years, % of SAM 5 Currency USD EUR GBP INR PKR AED CAD AUD Size my market Your result Fill in your numbers and tap Size my market. How it works TAM (total addressable market) = customers × yearly revenue per customer. It is the revenue if every possible customer bought from you. SAM (serviceable available market) = TAM × the share your product, region and channels can actually reach. SOM (serviceable obtainable market) = SAM × the share you can realistically win against competitors in the next few years. Early-stage plans often use 1% to 10%. A rough estimate. The result is only as good as your inputs. Back each number with a source (census or industry data, competitor revenue, your own sales) before you put it in a pitch deck or business plan. pc-result pc-sub pc-title pc-sub Enter how many possible customers there are. Enter the yearly revenue per customer. Shares m