Glossary
What Is a Minimum Viable Audience?
Updated · Team Fonda
Short answer
A minimum viable audience is the smallest group of specific people who care enough about what you make to sustain the business, through their purchases and by telling others. You build for that narrow group first and grow outward later, in place of trying to appeal to everyone from the start.
Key takeaways
- Start with the smallest audience that can support the business, not the largest one you can imagine.
- A rough size comes from your income goal, your price and the share of people who buy.
- A narrow audience is easier to find, easier to talk to and gives clearer feedback.
- Followers are not the measure. People who reply, sign up and pay are.
What minimum viable audience means in plain words
Most first ideas are aimed at a crowd: all small businesses, all parents, all runners. A crowd is expensive to reach and impossible to please. The minimum viable audience turns the question around. It asks how few people you need, and which ones, for the business to stand up.
The thinking is close to Kevin Kelly's 2008 essay 1,000 True Fans, which argues that a creator does not need millions of followers, only a modest number of committed fans. The term echoes the MVP, or minimum viable product. An MVP is the smallest product that lets you learn. A minimum viable audience is the smallest group worth learning from and selling to.
How to estimate your minimum viable audience
Formula
Customers needed = monthly income goal / monthly revenue per customer. Audience needed = customers needed / conversion rate.
Conversion rate here means the share of your audience that becomes a paying customer. You will not know it at the start, so begin with a cautious guess and replace it with your real figure as soon as you have one. The conversion rate calculator does the sum from your own counts.
- Set the income goal. What the business must bring in each month to be worth doing.
- Set the price. What one customer pays you per month, on average.
- Divide to get customers needed.
- Estimate conversion and divide again to get the audience size.
- Describe the audience in one sentence that says who they are and what they have in common.
A worked example
The numbers below are an illustration, not a benchmark. Say you are a physiotherapist planning a paid online program for runners coming back from knee injuries.
| Step | Number |
|---|---|
| Monthly income goal | $4,000 |
| Price per customer per month | $40 |
| Customers needed | $4,000 / $40 = 100 |
| Assumed conversion rate | 2% of the audience buys |
| Audience needed | 100 / 0.02 = 5,000 people |
Example only. Your own conversion rate may be higher or lower.
So the target is about 5,000 runners with knee injuries who know you exist, on an email list or in a community, and 100 who pay. That is a number you can plan for. Change one input and the picture shifts: at $80 a month you need 50 customers and an audience of 2,500. This is why price and audience size should be decided together.
Why it matters for a first-time founder
You meet this idea at the very beginning, when you choose who the business is for, and again when you plan how to reach them. It is most useful if you are building on the side with little money, because a small, well-defined group can be reached by hand: one forum, one local club, one newsletter.
It also gives you a reality check on the market. If your formula says you need 5,000 people and only a few thousand exist in total, the idea needs a higher price or a wider group. Compare your figure with the reachable market using the TAM SAM SOM calculator. Then go and meet the people: how to find your first 10 customers covers where to start, and the first ones you win are your early adopters.
If you have not chosen an audience yet, the free idea generator suggests ideas based on your own background, which tends to point you at groups you already understand.
Common mistakes
- Defining the group too widely. If you cannot name where these people gather, the audience is not specific enough.
- Counting followers. A large following that never buys is not a viable audience. Count replies, sign-ups and payments.
- Building the audience and never selling. Offer something for sale early. It is the only way to learn your real conversion rate.
- Picking a group with no budget. An audience must be able to pay, not only be interested.
- Staying narrow forever. The first audience is a starting point. Once it works, expand to the group next to it.
Related terms
- Ideal customer profile: a description of the customer who gets the most value from you.
- Early adopters: the first people willing to try something new.
- TAM SAM SOM: three ways to measure the size of a market.
Frequently asked questions
How big should a minimum viable audience be?
There is no standard size. It depends on your price, your costs and how many people in the audience buy. A high-priced service may need a few dozen clients. A low-priced product needs many more. Run the formula with your own numbers.
Is a minimum viable audience the same as a target market?
Not quite. A target market is everyone you might sell to. A minimum viable audience is the small, specific part of it that you focus on first, chosen because you can reach those people and they feel the problem strongly.
Do I need an audience before I build a product?
It helps but it is not required. Even a small group of interested people gives you someone to interview, test with and sell to. Many founders build the audience and the product side by side, starting with conversations.
What if my audience turns out to be too small?
You have three options: raise the price, sell the same people something more, or widen the group to a close neighbor. Finding this out from a formula and a few conversations costs far less than finding it out after launch.