Free tool
TAM, SAM & SOM Calculator
Size your market in minutes. Start from a published market figure, or build it up from customers and pricing, and see your total, serviceable and obtainable market side by side. Everything is calculated in your browser; nothing you enter is sent anywhere.

Your assumptions
Projection and scenarios (optional)
Your market size
Enter your assumptions to see your market size. Still needed:
These are estimates based on the assumptions you entered. Check market-size inputs against reliable sources before using them in a plan or pitch.
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Scenarios, projection and sensitivity
Revenue path to your obtainable market
Sensitivity: obtainable revenue today
How the SOM changes as your serviceable share (rows) and obtainable share (columns) move around your base case.
Prepared with the Circlewise TAM, SAM and SOM Calculator (circlewise.in). Figures are estimates based on user-entered assumptions and are not financial advice.
TAM
Total addressable market: the yearly revenue if every possible customer bought from you. It shows how big the opportunity could be.
SAM
Serviceable addressable market: the part of the TAM your product, pricing, channels and locations can actually serve today.
SOM
Serviceable obtainable market: the share of the SAM you can realistically win in the next few years. It anchors your revenue plan.
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