Free SaaS Metrics Calculator
Calculate your ARR, MRR growth rate, churn rate, NRR, CAC, LTV, LTV:CAC ratio, and SaaS Quick Ratio in seconds. Compare every metric against B2B SaaS benchmarks and get actionable recommendations to improve your growth efficiency.
9 Key SaaS Metrics
Calculate ARR, NRR, churn, CAC, LTV, Quick Ratio, and more from a single set of inputs
Benchmark Comparison
See how each metric ranks: best-in-class, great, good, or needs improvement against industry standards
Actionable Insights
Get tailored recommendations to improve retention, reduce churn, and optimise your unit economics
How it works
Understanding SaaS Metrics
Master the metrics that drive sustainable SaaS growth
Why SaaS metrics matter
SaaS businesses operate on recurring revenue, which means the health of your business depends not just on acquiring new customers, but on retaining and expanding existing ones. Unlike traditional businesses where revenue is recognised upfront, SaaS companies earn revenue over time -- making metrics like Net Revenue Retention, churn rate, and LTV:CAC ratio essential for understanding whether your business model is sustainable. Investors, board members, and operators all rely on these metrics to make strategic decisions about growth, investment, and resource allocation.
The key SaaS formulas
ARR = MRR x 12
MRR Growth Rate = (New MRR - Churned MRR) / Starting MRR x 100
Revenue Churn Rate = Churned MRR / Starting MRR x 100
Customer Churn Rate = Churned Customers / Total Customers x 100
Net Revenue Retention = (MRR + New MRR - Churned MRR) / MRR x 100
CAC = Total Sales & Marketing Spend / New Customers
LTV = ARPA / Monthly Customer Churn Rate
LTV:CAC Ratio = Customer Lifetime Value / Customer Acquisition Cost
Quick Ratio = (New MRR + Expansion MRR) / (Churned MRR + Contraction MRR)
How to improve your SaaS metrics
- -Reduce churn by investing in customer onboarding, health scoring, and proactive success outreach
- -Increase NRR through usage-based pricing tiers, product-led upsells, and strategic account management
- -Lower CAC by investing in organic channels like SEO and content that compound over time
- -Increase LTV by improving product stickiness, expanding use cases, and building switching costs
- -Improve Quick Ratio by simultaneously accelerating new MRR acquisition and reducing revenue losses
SaaS metric benchmarks
Frequently Asked Questions
Everything you need to know about SaaS metrics
What are the most important SaaS metrics to track?
The most important SaaS metrics are Monthly Recurring Revenue (MRR), Annual Recurring Revenue (ARR), Net Revenue Retention (NRR), revenue churn rate, customer churn rate, Customer Acquisition Cost (CAC), Customer Lifetime Value (LTV), the LTV:CAC ratio, and the SaaS Quick Ratio. Together, these provide a complete picture of growth efficiency, retention health, and unit economics. Our SaaS GTM playbook covers how these metrics connect to your overall go-to-market strategy.
What is Net Revenue Retention (NRR) and what is a good NRR?
Net Revenue Retention measures the percentage of recurring revenue retained from existing customers, including expansion and subtracting churn and contraction. An NRR above 100% means your existing customers are growing without any new sales. Good NRR is above 100%, great is above 110%, and best-in-class SaaS companies like Snowflake and Twilio have achieved 120-160%+ NRR. It is arguably the single most important SaaS metric because it shows whether your product delivers increasing value over time.
How do you calculate MRR growth rate?
MRR growth rate is calculated as (New MRR Added - Churned MRR) / Starting MRR x 100. For example, if your MRR is $100,000, you add $15,000 in new and expansion MRR, and lose $5,000 to churn, your MRR growth rate is 10%. Healthy early-stage SaaS companies typically target 15-20% monthly growth, while companies approaching $10M+ ARR may see 5-10% monthly growth as they scale.
What is a good churn rate for B2B SaaS?
For B2B SaaS, a good monthly revenue churn rate is below 2%, translating to roughly 20-25% annual churn. Best-in-class companies achieve below 1% monthly. Enterprise SaaS typically sees lower churn (0.5-1% monthly) than SMB-focused products (3-7% monthly) due to longer contracts and higher switching costs. Reducing churn is one of the highest-leverage activities for SaaS growth, as even small improvements compound dramatically over time.
What is the SaaS Quick Ratio?
The SaaS Quick Ratio measures growth efficiency by comparing MRR added versus MRR lost. It is calculated as (New MRR + Expansion MRR) / (Churned MRR + Contraction MRR). A Quick Ratio of 4 or higher is considered healthy -- for every $1 of MRR lost, you add $4 in new MRR. Below 1 means your business is shrinking. This metric is particularly useful because it captures both sides of the growth equation simultaneously, unlike growth rate alone which can mask underlying churn problems.
How do you calculate Customer Lifetime Value for SaaS?
The simplest SaaS LTV formula is ARPA (Average Revenue Per Account) divided by the monthly customer churn rate. For example, if ARPA is $200/month and monthly churn is 2%, LTV = $200 / 0.02 = $10,000. More advanced models incorporate gross margin, expansion revenue, and discount rates. LTV should always be evaluated alongside CAC -- a healthy LTV:CAC ratio of 3:1 or higher indicates sustainable unit economics. Use our CAC calculator for a deeper dive into acquisition costs.
What is the difference between revenue churn and customer churn?
Revenue churn (MRR churn) measures the percentage of recurring revenue lost to cancellations and downgrades. Customer churn (logo churn) measures the percentage of customers who cancel entirely. These metrics often diverge: if your largest customers stay but smaller ones leave, customer churn will be high while revenue churn stays low. Conversely, losing a few large accounts can cause high revenue churn even with low logo churn. Tracking both is essential for a complete retention picture and to understand which segments need attention.
How do SaaS metrics differ by company stage?
Benchmarks vary significantly by stage. Pre-product-market-fit companies should focus almost exclusively on retention and NRR. Early-stage companies (under $1M ARR) should target 15-20% monthly MRR growth while keeping churn below 5%. Growth-stage ($1-10M ARR) should aim for 10-15% monthly growth, NRR above 110%, and LTV:CAC above 3:1. Mature companies ($10M+ ARR) should target 5-10% growth, NRR above 120%, and optimise unit economics. Investing in SEO becomes increasingly important at scale to reduce CAC as paid channels become more expensive.
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