Lean Canvas Template
The one-page business model built for startups. Deconstruct your idea into its riskiest assumptions in 20 minutes — before you write a single line of code.
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What is the Lean Canvas?
The Lean Canvas is a one-page business modeling tool created by Ash Maurya, author of Running Lean, as an adaptation of Alexander Osterwalder's Business Model Canvas. Where the original canvas documents how an established business operates, the Lean Canvas is optimized for startups: it swaps operations-focused blocks for ones that capture what early-stage founders actually don't know yet — the problem, the solution, the key metrics, and your unfair advantage.
The result is a fast, focused snapshot of your riskiest assumptions. You should be able to complete a first draft in about 20 minutes — then spend the following weeks testing it against reality.
The 9 Blocks (in the order you should fill them)
Problem
What are the top 1-3 problems your customers have?
Customer Segments
Who has these problems? Who are your early adopters?
Unique Value Proposition
Why are you different and worth paying attention to?
Solution
What is the simplest solution for each problem?
Channels
How will you reach your customers?
Revenue Streams
How will you make money?
Cost Structure
What will it cost to reach your next milestone?
Key Metrics
What numbers tell you the business is working?
Unfair Advantage
What can't be easily copied or bought?
Lean Canvas vs. Business Model Canvas
Both tools fit your entire business on one page, and both use a 9-block grid. The difference is what they assume you already know. If you're pre-launch and still validating the problem, start with the Lean Canvas. If your model is working and you're documenting or scaling it, use the Business Model Canvas.
| Lean Canvas | Business Model Canvas | |
|---|---|---|
| Best for | Pre-launch and early-stage startups still searching for a model | Established businesses documenting or evolving a known model |
| Core focus | Problems, solutions, and risk | Infrastructure, operations, and partnerships |
| Unique blocks | Problem, Solution, Key Metrics, Unfair Advantage | Key Partners, Key Activities, Key Resources, Customer Relationships |
| Mindset | "What must be true for this to work?" | "How does this business run?" |
| Origin | Ash Maurya (Running Lean, 2010) | Alexander Osterwalder (2005) |
How to Fill Out Your Lean Canvas
Start with Problem & Customer
Nail the top 1-3 problems and who has them — most startups fail here, not on the solution
Sketch, Don't Perfect
Timebox your first draft to 20 minutes; blanks are fine — they show you what to test first
Test the Riskiest Block
Identify your riskiest assumption and validate it with customer interviews before building
Get Your Free Lean Canvas Template
Print it, sketch on it, throw it away, and sketch again — that's the point. Your first canvas will be wrong; the template makes it cheap to iterate.
No email required · Free forever · Lean Canvas by Ash Maurya, CC BY-SA 3.0