Robyn Consulting Group

MRR Growth Ceiling Calculator

The MRR Growth Ceiling is the maximum sustainable Monthly Recurring Revenue your business can reach with your current unit economics and customer dynamics. This calculator answers the fundamental question: "If I don't change anything, how big can this business realistically get?" For subscription-based CEOs who do want to grow beyond that ceiling, the framework then guides them to sequence the right levers — acquisition, retention, and expansion — in the order that extends the ceiling the furthest, fastest, and most capital-efficiently.

Please enter your current business inputs below.

Step 1 of 7

How many active paying customers do you have?

Total active paying customers today

Please enter a number.

What's your monthly customer growth rate?

New customers as a percentage of your current base each month

%

Please enter a percentage.

What's your monthly churn rate?

Percentage of customers you lose each month

%

Please enter a percentage.

What's your average revenue per customer?

Average monthly revenue per customer (ARPU)

$

Please enter an amount.

What's your gross margin?

Revenue minus cost of goods sold, as a percentage

%

Please enter a percentage.

How much do you spend monthly on marketing & sales?

Total monthly acquisition spend across all channels

$

Please enter an amount.

What revenue multiple should we use for valuation?

ARR multiple used to estimate enterprise value (typically 5-15x for SaaS)

x

Please enter a multiple.

Building your growth model

Calculating current ceiling...

Base Model
✓ Done
Acquisition
✓ Done
Retention
✓ Done
Expansion
✓ Done
RCG

Your Growth Ceiling Report is Ready

We've modeled your MRR ceiling across multiple optimization scenarios. Enter your details to unlock the full interactive report — we'll also send a copy to your inbox.

Please enter your first name.

Please enter your last name.

Please enter a valid work email (no disposable addresses).

Please enter a valid 10-digit US phone number (no fake numbers).

Please enter your company name.

Your information is kept private and will only be used to deliver your report and relevant insights.

RCG Cashflow · Valuation · Forecast
MRR Growth Ceiling Report