SaaS & Startup Calculators
Quick, free calculators for the numbers founders actually run — ownership, growth, profit and churn. No signup needed. When you outgrow a one-off number, model the whole business in Adlega.
How Money Is Structured
Interactive P&L: follow a dollar of revenue down to net income through COGS, OPEX, D&A, interest and tax. Hover each layer.
Open calculator → FoundersCap Table & Dilution
Model founder & investor ownership across funding rounds, including the option pool and new-money dilution.
Open calculator → ForecastMRR Growth Projector
Project 12 months of MRR and ARR from new subscriptions, churn and expansion — see the curve.
Open calculator → SurvivalRunway & Burn Calculator
Cash, expenses and revenue in — gross burn, net burn and how many months of runway you have left, with a cash-out chart.
Open calculator → FinanceNet Income Calculator
Revenue minus COGS, operating expenses, interest and tax — your true bottom line and net margin.
Open calculator → GrowthCAGR Calculator
Compound annual growth rate between a starting and ending value over any number of periods.
Open calculator → SaaSRule of 40 Calculator
Add growth rate and profit margin to get your Rule of 40 score, a pass/fail verdict and how you compare to the SaaS median.
Open calculator → RetentionChurn Rate Calculator
Customer and revenue churn — monthly and annualised — plus the retention rate it implies.
Open calculator → SaaSUnit Economics Calculator
LTV, the LTV:CAC ratio and CAC payback period — see if each customer is actually profitable.
Open calculator → SaaSSaaS Magic Number Calculator
Net new ARR per dollar of S&M spend — your sales-efficiency verdict against the 0.75 threshold, plus implied CAC payback.
Open calculator →Plan the whole picture in Adlega
Adlega turns these one-off numbers into a live financial model for your SaaS — projections, scenarios and dashboards.