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 → AIAI Cost & Margin
Enter tokens, model prices and your plan price to see AI COGS, cost per customer, gross margin before vs after AI, and the price rise or cost cut to hold your target margin.
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.