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MRR Growth Calculator
Where Will Your Revenue Be in 24 Months?

Model your MRR trajectory with new customers, churn, expansion, and contraction. See exactly how each lever affects your revenue growth.

Used by 1,500+ SaaS founders to forecast revenue, plan hiring, and prepare investor pitch decks.

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24mo Projection
Quick Ratio
Quick Start:
Revenue Inputs
$
Your current monthly recurring revenue
$
MRR from new customers acquired monthly
%/mo
Monthly growth in new customer acquisition
months
1–36 months
Churn & Expansion
%
% of MRR lost to cancellations
%
% of MRR gained from upsells/upgrades
%
% of MRR lost to downgrades (not cancellations)
Net Revenue Retention (NRR)
100.0%
Target: 100%+ (revenue grows without new customers)
INDUSTRY DATA

SaaS MRR Growth Benchmarks

MetricBelow AverageGoodExcellentWorld-Class
Monthly MRR Growth< 5%5–15%15–25%25%+
Net Revenue Retention< 90%90–100%100–120%120%+
Quick Ratio< 11–22–44+
Logo Churn> 8%/mo5–8%2–5%< 2%
Expansion Rate< 1%1–3%3–5%5%+
Complete Guide

The Complete Guide to MRR Growth for SaaS

Monthly Recurring Revenue (MRR) is the lifeblood of any SaaS business. Unlike traditional businesses that rely on one-time sales, SaaS companies build value through predictable, recurring revenue streams. Understanding and projecting your MRR growth is essential for every decision you make — from hiring to fundraising to product development.

The 4 Components of MRR

Every month, your MRR changes based on four forces: New MRR (revenue from brand-new customers), Expansion MRR (revenue gained from existing customers upgrading or buying add-ons), Churned MRR (revenue lost from customers who cancel), and Contraction MRR (revenue lost from customers who downgrade but do not cancel). This calculator models all four simultaneously.

Net Revenue Retention (NRR): The North Star

NRR measures what happens to your existing customer revenue over time. An NRR of 100% means your existing customers generate the same revenue month over month. Above 100% means they are paying you more (through expansion). Below 100% means churn and contraction are eroding your base. Top SaaS companies operate at 120-140% NRR — meaning their revenue grows even without acquiring a single new customer.

Quick Ratio: Growth Efficiency

The SaaS Quick Ratio = (New MRR + Expansion MRR) ÷ (Churned MRR + Contraction MRR). A ratio of 4:1 means you add $4 of MRR for every $1 you lose. Target 4:1 or higher for healthy growth. Below 1:1 means your revenue is shrinking. Mamoon Hamid of Kleiner Perkins popularized this metric as a quick health check for SaaS growth.

The Power of Compounding MRR

MRR growth is exponential, not linear. A company growing at 10% month-over-month will 3x their MRR in 12 months and 9x it in 24 months. This is why even small differences in growth rate have massive long-term effects. Reducing churn by just 1% can mean hundreds of thousands of dollars in additional revenue over 2 years.

Pair this tool with our LTV:CAC Calculator to ensure your growth is also capital-efficient, and our Runway Calculator to see how long your current cash sustains this growth trajectory.

Frequently Asked Questions

What is MRR and how is it different from revenue?
MRR (Monthly Recurring Revenue) counts only predictable subscription revenue — excluding one-time fees, services, or variable charges. It is the standard metric investors use to value SaaS companies because it reflects the sustainable, repeating portion of your business.
What is a good MRR growth rate?
For early-stage startups, 15-25% month-over-month growth is considered excellent. At scale ($1M+ MRR), 5-10% monthly growth is strong. The key is consistency — steady 10% growth compounds to 3x annual growth.
What is Net Revenue Retention (NRR)?
NRR measures how much revenue you retain and expand from existing customers. NRR = (Starting MRR + Expansion - Churn - Contraction) ÷ Starting MRR. Above 100% means your existing customers generate more revenue over time. Top SaaS companies target 120%+.
What is the SaaS Quick Ratio?
Quick Ratio = (New MRR + Expansion MRR) ÷ (Churned MRR + Contraction MRR). It measures growth efficiency. A ratio of 4:1 is the benchmark — you add $4 for every $1 lost. Coined by Mamoon Hamid of Kleiner Perkins.
How does expansion MRR work?
Expansion MRR is additional revenue from existing customers — through plan upgrades, seat additions, usage overages, or cross-selling. It is the most efficient revenue because there is no acquisition cost. Best-in-class SaaS companies generate 30-50% of new revenue from expansion.
What churn rate should I target?
B2B SaaS: 2-5% logo churn monthly is acceptable, under 2% is excellent. B2C: under 8% is acceptable. Revenue churn can be negative if expansion exceeds logo churn. Always measure both logo churn (customers lost) and revenue churn (dollars lost).
Is my data secure?
All calculations run locally in your browser using JavaScript. No data is sent to any server, no cookies stored, and nothing is saved. Your financial projections never leave your device.
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