Free founder calculators
Startup calculators for ownership, cash and metrics
Model financing, runway, equity and SaaS health in your browser. No signup, no uploads-transparent formulas on every tool.
Inputs stay in your browserTransparent formulas10 focused tools
Startup Dilution Calculator
See how a priced round and option-pool top-up change founder ownership percentage.
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Startup Runway and Burn Rate Calculator
Forecast months of cash left from burn, revenue and growth-not a static cash÷spend guess.
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SAFE Conversion Calculator
Estimate SAFE ownership when a cap and discount convert in the next priced round.
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Startup Option Pool Calculator
Size the option pool for planned hires and see fully diluted founder ownership.
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SaaS Metrics Calculator
Get ARR, ARPA, CAC, LTV, payback and LTV:CAC from one monthly reporting snapshot.
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Convertible Note Calculator
Compare cap vs discount conversion prices after interest and estimate noteholder shares.
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Pre-Money and Post-Money Valuation Calculator
Convert pre-money, investment and ownership into post-money value and investor %.
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Cofounder Equity Split Calculator
Turn contribution scores into a clear cofounder equity split discussion starter.
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Equity Vesting Calculator
Calculate vested vs unvested shares under a cliff and monthly vesting schedule.
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Startup Valuation Scenario Calculator
Explore revenue-multiple valuation scenarios with growth, margin and risk discounts.
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