Free SaaS & Startup Calculators – Runway, MRR, ARR, Churn, CAC & LTV

Startup Runway Calculator →

Calculate how many months of cash your startup has left, your zero-cash date, and the revenue required to reach break-even profitability.

Calculate and forecast Monthly Recurring Revenue (MRR), Net New MRR, expansion, and contraction for subscription businesses.

Calculate Annual Recurring Revenue from monthly recurring revenue or multi-year contracts with instant SaaS valuation estimates.

Calculate monthly and annual customer churn rate and net revenue churn to identify retention leaks in your subscription business.

Determine how much revenue an average customer generates over their entire relationship with your business to guide acquisition spending.

Calculate the true cost to acquire a paying customer and determine how many months it takes to recover your sales and marketing investments.

Calculate your LTV:CAC ratio to benchmark your business health against venture capital investment standards (3:1 golden ratio).