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SaaS Metrics Calculator

Calculate key SaaS metrics: MRR, ARR, churn rate, LTV, CAC, and LTV:CAC ratio from your business data.

Your SaaS Numbers

Monthly Recurring Revenue (MRR)

Number of Customers

New Customers This Month

Churned Customers This Month

Avg. Revenue per User (ARPU)

Customer Acquisition Cost (CAC)

Monthly Operating Expenses

Gross Margin (%)

Cash on Hand (optional)

Expansion MRR (optional)

Contraction MRR (optional)

Key SaaS Metrics Every Founder Should Track

Running a SaaS business without tracking your core metrics is like flying blind. Whether you are preparing for fundraising, optimizing growth, or just trying to build a sustainable business, these metrics tell you where you stand and what to focus on next.

The Metrics Investors Care About Most

ARR (Annual Recurring Revenue): The annualized version of your MRR. This is the headline number investors use to gauge your scale. Series A typically requires $1-3M ARR, Series B $5-15M+.
Net Revenue Retention (NRR): Measures how much revenue you retain and expand from existing customers, excluding new sales. Top SaaS companies achieve 120-150% NRR, meaning existing customers alone drive 20-50% revenue growth.
LTV:CAC Ratio: The ratio of customer lifetime value to customer acquisition cost. A ratio of 3:1 or higher means your unit economics are healthy. Below 1:1 means you lose money on every customer.
Monthly Churn Rate: The percentage of customers who cancel each month. For SMB SaaS, 3-5% monthly churn is typical. For enterprise, less than 1% is the target. Even small improvements in churn have massive compounding effects.

Benchmark Ranges

Healthy SaaS metrics vary by stage and market segment. Early-stage startups (pre-product-market fit) often have higher churn and shorter payback periods. At scale, the benchmarks tighten. As a general guide: monthly churn below 3% is good, LTV:CAC above 3x is healthy, CAC payback under 12 months is efficient, and a quick ratio above 4 indicates strong growth efficiency.

What Is the Quick Ratio?

The SaaS quick ratio measures growth efficiency by dividing new MRR (new customers + expansion) by lost MRR (churn + contraction). A quick ratio of 4 or higher means for every $1 lost, you gain $4 — a sign of efficient, sustainable growth. Below 2 suggests your growth is being eaten by churn.

Burn Rate and Runway

Burn rate is the difference between your operating expenses and your revenue. Runway is how many months you can survive at your current burn rate before running out of cash. Most investors want to see at least 12-18 months of runway. If your runway drops below 6 months, it is time to either raise money, cut costs, or find a path to profitability immediately.

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How to Use the SaaS Metrics Calculator

1
Enter your values
Open the SaaS Metrics Calculator and fill in the required input fields with your numbers or selections.
2
Review the calculation
The tool automatically computes the result as you type. Double-check your inputs to ensure accuracy.
3
Interpret your results
Review the calculated output along with any breakdowns, charts, or explanations provided to understand what the numbers mean for your situation.

Frequently Asked Questions

What is the SaaS Metrics Calculator?

The SaaS Metrics Calculator is a free browser-based tool on ConvertCrunch. Calculate key SaaS metrics: MRR, ARR, churn rate, LTV, CAC, and LTV:CAC ratio from your business data. It requires no downloads, installations, or account signups. Simply enter your values and get instant, accurate results. The tool is designed for quick calculations and informed decision-making, whether you are a professional, student, or everyday user looking for reliable answers.

How do I use the SaaS Metrics Calculator?

Using the SaaS Metrics Calculator is straightforward. Enter your values into the input fields provided on the page, then calculate or adjust parameters to explore scenarios. Most processing happens locally in your browser. If a feature uses a third-party service, the tool identifies that connection and the privacy policy explains it. Most users get the answers they need in under a minute.

Is the SaaS Metrics Calculator free to use?

Yes, the SaaS Metrics Calculator is completely free to use with no account signup, email requirement, or premium tier. Most calculations run locally in your browser. Features that depend on live data or a third-party service require a network connection and are identified in the tool. You can use it as many times as you need for personal, educational, or professional purposes.

How accurate is the SaaS Metrics Calculator?

The SaaS Metrics Calculator uses standard financial formulas widely accepted in business planning and analysis. Results depend entirely on the accuracy of the inputs you provide. Real-world outcomes may differ due to market conditions, unforeseen costs, and other variables not captured in the model. Use the results as a planning baseline and adjust assumptions based on your specific business context and industry benchmarks.

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