Viral Coefficient Table: Viral coefficient (k) by Invites sent per user
Reference table of viral coefficient (k) for Viral Coefficient across a range of invites sent per user values — exact, engine-computed figures you can read off at a glance.
Viral Coefficient Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Viral coefficient (k)
1.00
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Viral Coefficient Calculator
The Viral Coefficient Calculator works out your viral coefficient (k) in an instant. Enter invites sent per user and invite conversion rate and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the invites sent per user.
- Enter the invite conversion rate.
- Read off your viral coefficient (k) — the calculator updates automatically, with no button to press.
Formula
The Viral Coefficient Calculator uses the formula:
Viral coefficient (k) = Invites sent per user × Invite conversion rate ÷ 100
Worked example
For example, with invites sent per user of 5 and invite conversion rate of 2%, the viral coefficient (k) is 1.00.
| Invites sent per user | 5 |
|---|---|
| Invite conversion rate | 2% |
| Viral coefficient (k) | 1.00 |
|---|
Results are estimates for educational use, not professional advice.
Key terms explained
- Conversion rate
- The percentage of visitors who complete a desired action, such as a purchase or sign-up.
Frequently asked questions
Multiply invites sent per user by the conversion rate. 5 invites at 20% gives a k of 1.
Each user brings more than one new user, so growth is self-sustaining and can compound.
Growth still gets a boost from referrals but is not self-sustaining; you need other acquisition channels.
Encourage more invites and raise the conversion rate with better incentives and onboarding.
Enter the invites sent per user. Enter the invite conversion rate. Read off your viral coefficient (k) — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Viral Coefficient: Formula, Steps & Examples
Learn how to calculate Viral Coefficient — the formula explained step by step, with worked examples and a free calculator to check your answer.