If you’re building a SaaS company, you already know that metrics matter. Investors ask about them. Board members expect them. Your ability to make good decisions depends on them.
But most early-stage SaaS founders track their metrics poorly — in scattered spreadsheets, mental math, or billing dashboard screenshots that tell only part of the story. This guide covers the essential SaaS metrics, how to calculate each one, what “good” looks like, and how to build a dashboard that tracks all of them in one place.
The 8 Essential SaaS Metrics
1. Monthly Recurring Revenue (MRR)
MRR is the total predictable revenue your business generates each month from active subscriptions. It’s the single most important number for a SaaS company.
Calculation: Sum of all active subscription amounts for the month. If you have 100 customers on a $50/month plan and 20 customers on a $200/month plan, your MRR is (100 × $50) + (20 × $200) = $9,000.
MRR has four components that you should track separately: new MRR (revenue from new customers acquired this month), expansion MRR (revenue increase from existing customers upgrading or buying add-ons), contraction MRR (revenue decrease from existing customers downgrading), and churned MRR (revenue lost from customers who cancelled).
Net New MRR = New MRR + Expansion MRR – Contraction MRR – Churned MRR. This tells you whether your recurring revenue is growing or shrinking.
2. Annual Recurring Revenue (ARR)
ARR is simply MRR multiplied by 12. It represents your annualized revenue run rate and is the metric most commonly used when discussing SaaS valuations.
Calculation: ARR = MRR × 12. If your MRR is $30,000, your ARR is $360,000.
3. Gross Churn Rate
Gross churn measures the percentage of MRR you lose each month from cancellations and downgrades, before accounting for expansion revenue.
Benchmarks: Under 2% monthly gross churn is excellent. Between 2-5% is acceptable for SMB-focused SaaS. Between 5-7% is concerning. Above 7% is a serious problem that needs to be addressed before focusing on growth.
4. Net Revenue Retention (NRR)
NRR is arguably the most important growth metric for SaaS. It answers: “If I acquired zero new customers this month, would my revenue grow or shrink?”
An NRR above 100% means your existing customers generate more revenue over time (through upgrades, seat expansion, and add-ons) than you lose to churn. This is the hallmark of a healthy SaaS business.
Benchmarks: Above 130% is exceptional (top-tier enterprise SaaS). Between 110-130% is excellent. Between 100-110% is good. Below 100% means you’re shrinking from within and relying entirely on new acquisition to grow.
5. Customer Lifetime Value (LTV)
LTV estimates the total revenue a customer generates over their entire relationship with your product.
Simplified calculation: LTV = ARPU / Monthly Gross Churn Rate. Where ARPU (Average Revenue Per User) = MRR / Total Customers.
If your ARPU is $75 and your monthly churn rate is 5%, your LTV is $75 / 0.05 = $1,500. This means, on average, each customer generates $1,500 in revenue before they cancel.
6. Customer Acquisition Cost (CAC)
CAC measures how much it costs you to acquire one new customer.
Calculation: CAC = (Total Sales Spend + Total Marketing Spend) / New Customers Acquired. Include all costs: ad spend, content marketing costs, sales team salaries, sales tools, event sponsorships, and affiliate commissions.
7. LTV:CAC Ratio
This ratio tells you whether your business model works. If you spend $500 to acquire a customer who generates $1,500 in lifetime revenue, your LTV:CAC ratio is 3:1.
Benchmarks: 3:1 or higher is considered healthy for SaaS. Between 1:1 and 3:1 means you’re spending too much on acquisition relative to the value you extract. Below 1:1 means you’re losing money on every customer acquired. Above 5:1 may indicate under-investment in growth (you could afford to spend more on acquisition).
8. Payback Period
Payback period measures how many months it takes to recoup the cost of acquiring a customer.
Benchmarks: Under 12 months is healthy. Between 12-18 months is acceptable but slow. Over 18 months means your capital is tied up for too long.
Building Your SaaS Metrics Dashboard
A proper SaaS metrics dashboard has four tabs:
A Monthly Data tab where you enter 8-10 numbers each month: beginning customers, new customers, churned customers, beginning MRR, new MRR, expansion MRR, contraction MRR, churned MRR, marketing spend, and sales spend. From these inputs, all 8 metrics calculate automatically.
A Cohort Analysis tab tracking customer retention by monthly signup cohort. This shows you how many customers from each month’s signups remain active over time — revealing whether your retention is improving or deteriorating.
A Revenue Breakdown tab showing subscribers and revenue per pricing plan. This reveals your revenue mix and helps you understand which plans drive your business.
A Churn Log tracking individual cancellations with the reason, plan, and MRR lost. Categorizing churn reasons (too expensive, missing features, switched to competitor, no longer needed, etc.) gives you actionable data for product and retention decisions.
Our SaaS Metrics Dashboard includes all four tabs with 403 formulas, 12 months of sample data from a realistic SaaS growth trajectory, cohort retention analysis, revenue by plan, churn reason tracking, and a dashboard with health indicators. $29 one-time purchase.
Frequently Asked Questions
When should I start tracking SaaS metrics?
From day one of having paying customers. Even with 10 customers, you should know your MRR, churn, and basic unit economics. The habit of tracking builds the foundation for data-driven decisions as you scale.
Do I need a BI tool like ChartMogul or ProfitWell?
Dedicated SaaS analytics tools are powerful because they connect directly to your billing system (Stripe, Chargebee, etc.) and calculate metrics automatically. They’re worth considering once your MRR exceeds $20-50K and manual tracking becomes time-consuming. Below that threshold, a well-built spreadsheet gives you the same metrics at a fraction of the cost.
What’s the most important SaaS metric for fundraising?
Investors look at ARR growth rate and NRR above all else. A SaaS company growing ARR 200%+ year-over-year with NRR above 120% is in strong position regardless of other metrics. If forced to choose one metric, NRR is the strongest signal of product-market fit and long-term viability.
SaaS Metrics 101: How to Track MRR, Churn, and LTV in a Spreadsheet
If you’re building a SaaS company, you already know that metrics matter. Investors ask about them. Board members expect them. Your ability to make good decisions depends on them.
But most early-stage SaaS founders track their metrics poorly — in scattered spreadsheets, mental math, or billing dashboard screenshots that tell only part of the story. This guide covers the essential SaaS metrics, how to calculate each one, what “good” looks like, and how to build a dashboard that tracks all of them in one place.
The 8 Essential SaaS Metrics
1. Monthly Recurring Revenue (MRR)
MRR is the total predictable revenue your business generates each month from active subscriptions. It’s the single most important number for a SaaS company.
Calculation: Sum of all active subscription amounts for the month. If you have 100 customers on a $50/month plan and 20 customers on a $200/month plan, your MRR is (100 × $50) + (20 × $200) = $9,000.
MRR has four components that you should track separately: new MRR (revenue from new customers acquired this month), expansion MRR (revenue increase from existing customers upgrading or buying add-ons), contraction MRR (revenue decrease from existing customers downgrading), and churned MRR (revenue lost from customers who cancelled).
Net New MRR = New MRR + Expansion MRR – Contraction MRR – Churned MRR. This tells you whether your recurring revenue is growing or shrinking.
2. Annual Recurring Revenue (ARR)
ARR is simply MRR multiplied by 12. It represents your annualized revenue run rate and is the metric most commonly used when discussing SaaS valuations.
Calculation: ARR = MRR × 12. If your MRR is $30,000, your ARR is $360,000.
3. Gross Churn Rate
Gross churn measures the percentage of MRR you lose each month from cancellations and downgrades, before accounting for expansion revenue.
Calculation: Gross Churn Rate = (Churned MRR + Contraction MRR) / Beginning MRR.
Benchmarks: Under 2% monthly gross churn is excellent. Between 2-5% is acceptable for SMB-focused SaaS. Between 5-7% is concerning. Above 7% is a serious problem that needs to be addressed before focusing on growth.
4. Net Revenue Retention (NRR)
NRR is arguably the most important growth metric for SaaS. It answers: “If I acquired zero new customers this month, would my revenue grow or shrink?”
Calculation: NRR = (Beginning MRR + Expansion MRR – Contraction MRR – Churned MRR) / Beginning MRR.
An NRR above 100% means your existing customers generate more revenue over time (through upgrades, seat expansion, and add-ons) than you lose to churn. This is the hallmark of a healthy SaaS business.
Benchmarks: Above 130% is exceptional (top-tier enterprise SaaS). Between 110-130% is excellent. Between 100-110% is good. Below 100% means you’re shrinking from within and relying entirely on new acquisition to grow.
5. Customer Lifetime Value (LTV)
LTV estimates the total revenue a customer generates over their entire relationship with your product.
Simplified calculation: LTV = ARPU / Monthly Gross Churn Rate. Where ARPU (Average Revenue Per User) = MRR / Total Customers.
If your ARPU is $75 and your monthly churn rate is 5%, your LTV is $75 / 0.05 = $1,500. This means, on average, each customer generates $1,500 in revenue before they cancel.
6. Customer Acquisition Cost (CAC)
CAC measures how much it costs you to acquire one new customer.
Calculation: CAC = (Total Sales Spend + Total Marketing Spend) / New Customers Acquired. Include all costs: ad spend, content marketing costs, sales team salaries, sales tools, event sponsorships, and affiliate commissions.
7. LTV:CAC Ratio
This ratio tells you whether your business model works. If you spend $500 to acquire a customer who generates $1,500 in lifetime revenue, your LTV:CAC ratio is 3:1.
Benchmarks: 3:1 or higher is considered healthy for SaaS. Between 1:1 and 3:1 means you’re spending too much on acquisition relative to the value you extract. Below 1:1 means you’re losing money on every customer acquired. Above 5:1 may indicate under-investment in growth (you could afford to spend more on acquisition).
8. Payback Period
Payback period measures how many months it takes to recoup the cost of acquiring a customer.
Calculation: Payback Period = CAC / (ARPU × Gross Margin %).
Benchmarks: Under 12 months is healthy. Between 12-18 months is acceptable but slow. Over 18 months means your capital is tied up for too long.
Building Your SaaS Metrics Dashboard
A proper SaaS metrics dashboard has four tabs:
A Monthly Data tab where you enter 8-10 numbers each month: beginning customers, new customers, churned customers, beginning MRR, new MRR, expansion MRR, contraction MRR, churned MRR, marketing spend, and sales spend. From these inputs, all 8 metrics calculate automatically.
A Cohort Analysis tab tracking customer retention by monthly signup cohort. This shows you how many customers from each month’s signups remain active over time — revealing whether your retention is improving or deteriorating.
A Revenue Breakdown tab showing subscribers and revenue per pricing plan. This reveals your revenue mix and helps you understand which plans drive your business.
A Churn Log tracking individual cancellations with the reason, plan, and MRR lost. Categorizing churn reasons (too expensive, missing features, switched to competitor, no longer needed, etc.) gives you actionable data for product and retention decisions.
Our SaaS Metrics Dashboard includes all four tabs with 403 formulas, 12 months of sample data from a realistic SaaS growth trajectory, cohort retention analysis, revenue by plan, churn reason tracking, and a dashboard with health indicators. $29 one-time purchase.
Frequently Asked Questions
When should I start tracking SaaS metrics?
From day one of having paying customers. Even with 10 customers, you should know your MRR, churn, and basic unit economics. The habit of tracking builds the foundation for data-driven decisions as you scale.
Do I need a BI tool like ChartMogul or ProfitWell?
Dedicated SaaS analytics tools are powerful because they connect directly to your billing system (Stripe, Chargebee, etc.) and calculate metrics automatically. They’re worth considering once your MRR exceeds $20-50K and manual tracking becomes time-consuming. Below that threshold, a well-built spreadsheet gives you the same metrics at a fraction of the cost.
What’s the most important SaaS metric for fundraising?
Investors look at ARR growth rate and NRR above all else. A SaaS company growing ARR 200%+ year-over-year with NRR above 120% is in strong position regardless of other metrics. If forced to choose one metric, NRR is the strongest signal of product-market fit and long-term viability.