What is this tool?
Calculate your viral coefficient (K-factor) and model user growth over 12 months. See if you have a viral growth engine or sub-viral sharing dynamics.
Our free Viral Loop & K-Factor Calculator is designed to help founders and vibe coders make data-driven decisions. By understanding this metric, you can better architect your business model and ensure long-term sustainability.
How It Works
The Formula: K-Factor = Invites Per User × Conversion Rate
To use this tool, you'll need:
- Current Users
- Invites Sent Per User Per Month
- Invite Conversion Rate (%)
Why It Matters for Your Startup
A K-factor above 1.0 means your product grows exponentially without paid acquisition. Below 1.0 is fine, but understanding your K helps set realistic organic growth projections.
Frequently Asked Questions
What is the Viral Loop & K-Factor Calculator?
Calculate your viral coefficient (K-factor) and model user growth over 12 months. See if you have a viral growth engine or sub-viral sharing dynamics.
Why should I use the Viral Loop & K-Factor Calculator?
A K-factor above 1.0 means your product grows exponentially without paid acquisition. Below 1.0 is fine, but understanding your K helps set realistic organic growth projections.
How is the Viral Loop & K-Factor Calculator calculated?
The Viral Loop & K-Factor Calculator is calculated using the following formula: K-Factor = Invites Per User × Conversion Rate.