Keep revenue metrics consistent
Use MRR, ARR, expansion, contraction, and churn tools with the same inclusion rules for trials, discounts, taxes, and one-time fees.
18 tools
SaaS calculators for recurring revenue, churn, CAC, and efficiency
Use these tools to work through recurring revenue, churn, CAC, LTV, payback, and reporting metrics without rebuilding the same spreadsheet each time.
Revenue and retention metricsAcquisition efficiency toolsBoard and investor reporting ratios
Practical guide
How to use these saas tools
SaaS metrics are useful only when definitions stay consistent. Utiluno's SaaS calculators focus on recurring revenue, retention, acquisition efficiency, and runway-style planning so teams can sanity-check reporting before sharing numbers with operators, boards, or investors.
Connect acquisition to payback
CAC, LTV, and payback calculators are most useful together because each one can look healthy while another shows cash pressure.
Review efficiency before planning growth
Burn multiple, Rule of 40, and runway-style ratios help test whether a growth plan is balanced with cost discipline.
Before you rely on a result
- Document whether you use gross churn, net churn, logo churn, or revenue churn.
- Separate recurring subscription revenue from services, setup fees, and one-time charges.
- Use cohort or segment analysis when blended averages hide very different customer behavior.
Common mistakes to avoid
- Mixing monthly and annual values in the same metric.
- Using LTV without checking gross margin and payback period.
- Reporting expansion revenue while ignoring contraction or churn in the same period.
Tool library
Choose a calculator or utility
MRR Calculator
Calculate monthly recurring revenue from active subscriptions and average recurring price.
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ARR Calculator
Annualize recurring monthly revenue to estimate annual recurring revenue.
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ARPU Calculator
Calculate average revenue per user from recurring revenue and the total number of active paying users.
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ARPA Calculator
Calculate average revenue per account from recurring revenue and the number of paying accounts.
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Subscription Churn Rate Calculator
Calculate customer churn rate from the number of customers lost during a period and the starting customer base.
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Customer Retention Calculator
Calculate the percentage of starting customers retained after accounting for new customers added during the period.
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LTV Calculator
Estimate customer lifetime value from ARPA, gross margin, and churn rate.
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CAC Calculator
Calculate customer acquisition cost from sales and marketing spend divided by the number of new customers acquired.
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LTV:CAC Calculator
Compare estimated lifetime value against customer acquisition cost to measure unit economics efficiency.
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CAC Payback Calculator
Estimate how many months it takes to recover customer acquisition cost from gross-margin-adjusted monthly recurring revenue.
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Net Revenue Retention Calculator
Calculate how recurring revenue from an existing cohort changes after expansion, contraction, and churn.
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Gross Revenue Retention Calculator
Calculate how much recurring revenue from an existing cohort is retained before counting any expansion revenue.
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SaaS Quick Ratio Calculator
Measure how much new and expansion recurring revenue offsets churn and contraction.
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SaaS Magic Number Calculator
Estimate sales efficiency by comparing annualized new recurring revenue produced this quarter against the prior quarter's sales and marketing spend.
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Burn Multiple Calculator
Compare net burn to net new ARR to gauge how efficiently a company is converting cash burn into recurring revenue growth.
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Rule of 40 Calculator
Add revenue growth rate and profit margin to check a common SaaS balance-of-growth benchmark.
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Trial-to-Paid Conversion Calculator
Measure the percentage of trial users or accounts that convert into paid customers.
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Freemium Conversion Calculator
Measure the percentage of free users or accounts that upgrade into paid plans.
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