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SaaS Financial Model Calculator
Model your subscription business end-to-end. Adjust pricing, churn, marketing spend and growth levers — see MRR, ARR, LTV/CAC, payback period and 12-month projections update in real time.
MRR / ARR ForecastLTV / CAC RatioChurn ModelingK-Factor ViralityPayback Period12-Month ProjectionsTax Regime ScenariosBreak-even & ROI
What this SaaS calculator covers
- Monthly Recurring Revenue (MRR) and Annual Recurring Revenue (ARR) forecast
- Customer Lifetime Value (LTV) and LTV/CAC ratio
- Customer Acquisition Cost (CAC) and payback period
- Monthly churn impact on paying users
- K-factor viral growth coefficient
- Marketing budget scenarios: fixed, % of MRR, or manual per month
- Tax regime modeling (Revenue 6%, Profit 15%, Self-employed, Patent, None)
- Break-even analysis and yearly ROI
- Expense breakdown: server, variable, payment commission, fixed costs
Who this is for
Indie hackers, SaaS founders, and product teams who want a fast, free financial model without complex spreadsheets. Adjust sliders and see your projections update in real time.