Total Addressable Market (TAM)

From actual data — not assumptions.

Your TAM, calculated from 100M+ real companies. Ready for outreach in minutes.

Free • No signup • Real company data, not market reports

Your TAM is ready. Want to turn it into pipeline?

Sign up for free to export these companies, find decision-makers, and start outreach.

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Trusted by more than 6,000,000 professionals to find and reach their customers
Semrush
Vimeo
Cisco
Canva
Customer.io

Build a TAM you can actually sell to

Define your ICP the way your team actually thinks

Filter by the criteria sales and marketing care about — industry, company size, location, funding stage, and more. No data science required.

See the companies behind the number

Your TAM isn't a market report estimate. It's 100M+ real companies you can prospect today.

From market sizing to outbound in minutes

Enter your ACV, filter your market, and instantly see your TAM. Then take action on those exact companies.

No RevOps or analysts required

Start calculating your addressable market right now. No spreadsheets, no signup, no credit card.

Turn your TAM into a target list

Save your calculation and export the companies. Your TAM becomes your outbound list.

Built from real companies, not assumptions

Our data is continuously updated from public sources. This is TAM grounded in reality.

Hunter is a great tool for saving time and building pipelines and prospecting. Before we had Hunter in place I was spending a long time guessing emails and using up valuable time every day. The email verifier is also a game changer for our team.
Sean Gallagher Commercial Account Executive at Lattice
Over 40,000 reviews
4.6 on Capterra
4.4 on G2

You know your TAM. Now reach them.

Hunter's tools help you go from market size to booked meetings.

Verify email addresses

Verify email address validity with the most reliable email checker.

Email Verifier

Send a cold email sequence

Connect your email account to create, personalize, schedule, and send targeted sequences at scale.

Sequences

Build your own workflow

Rely on our native CRM integrations, our Zapier connector or our APIs to sync your data.

Integrations

Frequently Asked Questions

Everything you need to know about calculating TAM with real company data

Total Addressable Market (TAM) is the total revenue opportunity for a product or service. It represents the maximum amount of revenue a business can generate by selling its product or service in a specific market, assuming 100% market share.

TAM is calculated by multiplying the total number of potential customers by your Average Contract Value (ACV). Our calculator uses Hunter's B2B database to identify companies matching your criteria, then multiplies that count by your ACV to estimate your total addressable market.

Yes, the TAM calculator is completely free to use. No credit card or signup required. If you want to save your calculations or export company lists, you can create a free Hunter account.

Our data comes from publicly available sources including company websites, LinkedIn, funding databases, and more. We have a database of over 100 million companies worldwide that is continuously updated and verified.

Yes! Create a free Hunter account to save your TAM calculations and export lists of companies matching your criteria. You can then use other Hunter tools to find email addresses and reach these companies.

Our TAM calculator uses real, verified company data from Hunter's database. While it provides a reliable estimate, your actual addressable market may vary based on factors like market dynamics, competition, and sales execution.
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