Product-Market Fit FAQ
Quick answers to the most common questions about Product-Market Fit. For the full definition, formula, and benchmarks, see the Product-Market Fit glossary page.
What is Product-Market Fit?
Product-Market Fit means a product serves a market well enough that growth becomes demand-driven: users stick, refer others, and complain loudly when the product is taken away. Before PMF the constraint is the product; after PMF the constraint is distribution.
How do you measure Product-Market Fit?
The Sean Ellis survey asks users how they would feel if they could no longer use the product; 40%+ answering "very disappointed" is the classic PMF signal. Flattening retention curves and organic/referral growth are the behavioral confirmations.
What comes after Product-Market Fit?
Repeatable go-to-market: knowing your ICP and unit economics (CAC, LTV, payback), then scaling the channels that work.
Keep exploring Product-Market Fit
Product-Market Fit is the point at which a product satisfies strong market demand — customers pull the product out of your hands, retention stabilizes, and growth stops feeling forced. Read the full Product-Market Fit definition for formulas, benchmarks, and common mistakes.