Calculate your
K-Factor

Enter your product data and check how strong your viral loop is. You can share the result with your team or publicly.

Monthly active users
How many people on average you expose to the product (per cycle)
% of invited people who become users
Days from signup to inviting others
Viral Loop Score
K-Factor
Cycle time
Growth after 6 cycles
Your position vs. SaaS benchmarks

Growth projection

Cycle New from loop Total Growth

What you can improve

Share your score

Show your team or share publicly — let others check their k-factor too.

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Learn more

How to improve your score → See real examples → What is a viral loop →

Want to improve this score?

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