Free founder tools

Understand the numbers behind your startup

Practical calculators with visible formulas, useful context, and no email gate.

Interactive calculator

SaaS valuation calculator

Estimate a transparent low, base, and high valuation range from operating metrics.

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Interactive calculator

MRR and ARR calculator

Calculate ending MRR, ARR, growth, NRR, GRR, and SaaS Quick Ratio.

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Interactive calculator

SaaS churn and retention calculator

Measure logo churn, revenue churn, GRR, NRR, and cohort retention.

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Interactive calculator

LTV, CAC, and payback calculator

Estimate customer value, acquisition cost, LTV:CAC, and CAC payback.

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Interactive calculator

Startup acquisition ROI calculator

Model buyer equity, debt service, cash returns, MOIC, IRR, and exit scenarios.

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