ARR Calculator
Calculate Annual Recurring Revenue from subscription revenue, expansion revenue, and churn. Essential for SaaS businesses tracking growth. Numbers never leave your device — every calculation runs locally in your browser.
How to Use the ARR Calculator
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Calculate Monthly Recurring Revenue from customer count and average revenue per account (ARPA), with monthly, annual, and ARPU readouts. Example: 120 customers at $49 ARPA = $5,880 MRR. Numbers never leave your device — every calculation runs locally in your browser.
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Calculate total cost of software licenses by seats, price per seat, and billing cycle with annual discount. Budget and plan your SaaS subscription costs. Numbers never leave your device — every calculation runs locally in your browser.
Churn Rate Calculator
Calculate customer churn rate by dividing customers lost by total customers. Monitor retention health for your subscription business. Numbers never leave your device — every calculation runs locally in your browser.
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Calculate total work hours for a single shift between start and end times with one configurable break. Essential for timesheets and payroll. Numbers never leave your device — every calculation runs locally in your browser.
Frequently Asked Questions
How is ARR built?
Here: subscription + expansion − churn on the three inputs. Example: $100k + $20k − $5k = $115k ARR (the defaults). Three presets ship with the tool (SaaS Startup, Enterprise, Hypergrowth) with indigo/emerald/red bars. Every dollar must sit in exactly one bucket.
ARR vs revenue — what's the difference?
ARR is contracted run-rate; revenue is recognized cash. A $120k annual deal signed in December adds $120k ARR immediately but ~$10k December revenue. Investors value the ARR; accountants audit the revenue.
Do multi-year deals count in full?
No — only the next 12 months count toward ARR. A 3-year $360k deal contributes $120k ARR, not $360k. Counting full TCV as ARR is the classic fundraise-inflation error.
New ARR vs net new ARR?
New ARR (new logos + expansion) shows sales output; net new subtracts churn for the growth truth. A team adding $300k while losing $280k grew $20k — celebrate the former, manage the latter.
Is my revenue data stored?
No. All calculations run locally in your browser. No revenue figures leave your device.
Last updated October 2026