T
Hndy Tools

MRR Growth Simulator

Project your SaaS revenue growth with churn, new customers, and pricing scenarios.

SaaS
Business
Finance

Growth Parameters

About This Tool

The MRR Growth Simulator helps SaaS founders and operators project monthly recurring revenue under realistic conditions — accounting for new customer acquisition, churn rates, and pricing changes. Explore best-case, worst-case, and base-case scenarios to build a data-driven growth plan.

For deeper analysis on specific levers, use our SaaS Churn Impact Calculator to isolate how churn erodes revenue, and the SaaS Pricing Calculator to model different pricing tiers.

All calculations happen in your browser — no data is sent to any server.

How It Works

MRRnext = MRR + (New Customers × ARPU) − (Churn% × MRR)
At month 12: MRR = MRR × (1 + Price Increase%)   (if price increase specified)
Growth Rate = (Final MRR / Initial MRR − 1) × 100%
Best Case = Base Case with 50% more new customers   |   Worst Case = Base Case with 50% fewer

Each month, new customer revenue is added and churn losses are subtracted from the previous month's MRR. The optional price increase is applied at month 12, simulating an annual pricing adjustment. Milestones track the month when MRR first crosses each revenue threshold.

Frequently Asked Questions (FAQ)

What is MRR and why does it matter?
MRR (Monthly Recurring Revenue) is the predictable monthly revenue from subscriptions. It's the most important metric for SaaS businesses because it lets you forecast growth, measure churn impact, and set realistic targets.
How does churn affect long-term MRR growth?
Churn acts like a hole in your revenue bucket — every month you lose a percentage of your existing MRR. If new customer revenue is lower than churn losses, your MRR shrinks even when adding customers. Use our SaaS Churn Impact Calculator to isolate the effect of churn.
What happens when I apply a price increase at month 12?
A price increase applies to your entire MRR at month 12, simulating an annual price adjustment. This compounds with organic growth from new customers, giving you a realistic projection of how pricing strategy impacts revenue.
Are these projections reliable for long-term planning?
These projections assume constant new customer acquisition and churn rates, which is a simplification. Real-world growth fluctuates. Use best-case and worst-case scenarios (+/-50% customers) to bracket your planning. For more detailed pricing scenario analysis, see our SaaS Pricing Calculator.

Related Tools

⏱️

Pace Calculator

Calculate pace, time, and distance for running, walking, cycling, or swimming. Convert between pace per mile, km, meter, or yard with speed in mph and kph.

🌍

Carbon Hypocrisy Calculator

Compare your green habits against your actual big-ticket carbon behaviors to reveal your true impact and which choices actually matter.

🚀

SaaS Valuation Calculator

Estimate your startup valuation. Calculate base valuation from ARR and multiple, adjust for growth rate, churn, and market type, and get an investor-style score with valuation range.

📄

CSV to JSONL Converter

Convert CSV data to JSONL (JSON Lines) format with each JSON object on a separate line. Perfect for streaming data processing and big data applications.