🎯Interactive Tool
Product-Market Fit Calculator
Measure product-market fit using the Sean Ellis test. Survey your users and enter the response counts below to see if you've achieved PMF.
The Sean Ellis Test
Ask your users: "How would you feel if you could no longer use this product?"
If 40% or more say "very disappointed," you have product-market fit.
Very Disappointed
The key metric for PMF
Somewhat Disappointed
See value but could switch
Not Disappointed
Don't find it essential
N/A
No longer using / never used
Enter Survey Responses
PMF Benchmarks
40%+
Product-Market Fit achieved — Focus on growth and scaling
25-39%
Getting close — Iterate on the core value proposition
Below 25%
Not yet — Go back to discovery — talk to users, find the real pain