SaaS Metrics Calculators
Every number SaaS founders and operators actually track — from first-dollar MRR to fundraise runway. All 15 calculators run entirely in your browser. No sign-up. Nothing leaves your device.
15 free calculators
Revenue Metrics
Track how your subscription revenue is growing and churning.
- MRR CalculatorCalculate your Monthly Recurring Revenue (MRR) from your customer count and average monthly price.
- ARR CalculatorConvert your Monthly Recurring Revenue into Annual Recurring Revenue (ARR).
- MRR Growth Rate CalculatorMeasure your month-over-month MRR growth rate as a percentage.
- Revenue Churn CalculatorCalculate the percentage of recurring revenue lost to churn and downgrades.
- Net Revenue Retention CalculatorCalculate Net Revenue Retention (NRR) from expansion, contraction, and churn.
Unit Economics
Understand the cost and value of acquiring and retaining each customer.
- Customer Churn Rate CalculatorCalculate the percentage of customers lost over a period.
- CAC CalculatorCalculate Customer Acquisition Cost (CAC) from sales and marketing spend.
- LTV CalculatorEstimate Customer Lifetime Value (LTV) from ARPU, gross margin, and churn rate.
- LTV:CAC Ratio CalculatorCalculate the ratio of customer lifetime value to acquisition cost.
- CAC Payback Period CalculatorCalculate how many months it takes to recover customer acquisition cost.
Survival & Health
Know how long your runway is and whether growth is efficient.
- Burn Rate CalculatorCalculate your average monthly net cash burn over a period.
- Runway CalculatorCalculate how many months of cash runway you have left at your current burn rate.
- Rule of 40 CalculatorCheck whether your SaaS passes the Rule of 40 by combining growth and profit margin.
- ARPU CalculatorCalculate Average Revenue Per User (ARPU) from total revenue and user count.
- SaaS Quick Ratio CalculatorMeasure growth efficiency by comparing new and expansion MRR to churned and contraction MRR.
More calculators coming soon
E-commerce, freelancer & marketing metrics — Phase 2 in progress.