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 → FoundersEquity Dilution Calculator
Add each funding round, raise, pre-money and option pool, to see how much of your company you keep after Seed, Series A, B and beyond.
Open calculator → ForecastMRR Growth Projector
Project 12 months of MRR and ARR from new subscriptions, churn and expansion, see the curve.
Open calculator → GrowthTrial-to-Paying Funnel
Turn visitors into trials into paying customers, then see new MRR, blended CAC and CAC payback, the full funnel-to-finance cascade.
Open calculator → BenchmarksSaaS Benchmark Calculator
Enter your growth, NRR, GRR, margin, CAC payback, LTV:CAC and burn multiple to see how you compare to 2026 B2B SaaS medians by segment.
Open calculator → PlanningHeadcount & Hiring Plan
Build your team role by role with fully-loaded costs, see total payroll, monthly burn and the runway your hiring plan leaves.
Open calculator → PlanningScenario & What-If Calculator
Set your base case, then flex one lever, hire/cut headcount, growth, churn or price, and see runway, MRR and cash move side by side.
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 → SaaSLTV:CAC Ratio Calculator
ARPA, margin, churn and CAC → lifetime value, the LTV:CAC ratio and payback, with a verdict against the 3:1 benchmark.
Open calculator → SaaSCAC Payback Calculator
CAC, ARPA and gross margin → how many months to recover the cost of acquiring a customer, vs the 12-month bar.
Open calculator → FinanceBreak-Even Calculator
Fixed costs, price and variable cost per unit → your break-even point in units and revenue, plus contribution margin.
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.