ProRevenue · Simulator
Viral Loop (K-Factor) Simulator
Does your product grow itself?
Assumptions
K-factor
0.60
Users (cycle 8)
2,475
Status
Fades
| Cycle | New Users | Total Users |
|---|---|---|
| Cycle 1 | 600 | 1,600 |
| Cycle 2 | 360 | 1,960 |
| Cycle 3 | 216 | 2,176 |
| Cycle 4 | 130 | 2,306 |
| Cycle 5 | 78 | 2,383 |
| Cycle 6 | 47 | 2,430 |
| Cycle 7 | 28 | 2,458 |
| Cycle 8 | 17 | 2,475 |
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Built by The Crimson Bench · Educational model, not financial advice
About the Viral Loop (K-Factor) Simulator
Model invites and their conversion to compute your viral coefficient (k) and watch users grow — or fade — cycle by cycle.
It's built for directional planning: change any assumption and watch the whole projection move, the way a seasoned operator pressure-tests a plan before committing capital. Everything is computed live in your browser — nothing is sent anywhere.
How the Viral Loop (K-Factor) Simulator Works
The model takes 3 assumptions and returns 3 headline metrics plus a full breakdown. Here is exactly what goes in and what comes out — no black box.
The Inputs
| Assumption | Example value |
|---|---|
| Starting users | 1,000 |
| Invites per user | 3 |
| Invite conversion | 20% |
Worked Example
Every figure below is produced by the live model using the example assumptions above. Change any input in the simulator to see your own numbers.
K-factor
0.60
Users (cycle 8)
2,475
Status
Fades
| Cycle | New Users | Total Users |
|---|---|---|
| Cycle 1 | 600 | 1,600 |
| Cycle 2 | 360 | 1,960 |
| Cycle 3 | 216 | 2,176 |
| Cycle 4 | 130 | 2,306 |
| Cycle 5 | 78 | 2,383 |
| Cycle 6 | 47 | 2,430 |
The Operator's Read
A k-factor of 0.60 — under 1, so virality tapers and each push fades. It still lowers CAC by amplifying paid acquisition; getting k even close to 1 is a huge tailwind.
Assumptions & Limitations
- •The model is deterministic: it projects your inputs forward with clear arithmetic, not a Monte-Carlo or probabilistic forecast. It shows one scenario at a time — run several to bracket a range.
- •Defaults are illustrative benchmarks, not your business. Replace every field with your real numbers before drawing conclusions.
- •It abstracts away taxes, financing, seasonality, and one-off events unless a field explicitly captures them. Treat the output as a directional estimate.
- •This is an educational tool, not financial, investment, tax, or legal advice. Validate real decisions with a qualified professional.
Frequently Asked Questions
What does the Viral Loop (K-Factor) Simulator calculate?
Model invites and their conversion to compute your viral coefficient (k) and watch users grow — or fade — cycle by cycle. It takes 3 assumptions — Starting users, Invites per user, Invite conversion — and returns K-factor, Users (cycle 8), Status, along with a full projection table you can export.
How do I use the Viral Loop (K-Factor) Simulator?
Enter your own figures in the input fields above — Starting users, Invites per user, Invite conversion, and the rest. The model recalculates instantly and shows the resulting K-factor and full breakdown. No sign-up needed to run it.
Is the Viral Loop (K-Factor) Simulator free?
Yes — you can run the simulator and see the headline results for free. Toolkit Pro unlocks the full projection table, Excel/PDF export, saved scenarios, and AI analysis: $180/mo, $1,728/yr, or unlock any 3 simulators for $20.
What's the difference between this and a free calculator?
A calculator answers one question. This simulator models the full picture — multiple linked assumptions, a projection table, and scenario comparison — the way an operator would build it in a spreadsheet, but instantly.
Who built the Viral Loop (K-Factor) Simulator?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. This is the self-serve version of a model they'd build inside a live engagement.
Is this financial advice?
No. The Viral Loop (K-Factor) Simulator is an educational modeling tool for directional planning — not financial, investment, tax, or legal advice. Validate any real decision with a qualified professional.
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The Crimson Bench · Est. 2002 · Founded in New York City
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