Startup Runway & Burn Rate Calculator
Know exactly how many months of cash your startup has left.
Open the Interactive CalculatorHow It's Calculated
Net Burn = Monthly Expenses − Monthly Revenue. Runway (months) = Cash in Bank ÷ Net Burn (infinite if revenue covers expenses).
Example
Example: $250,000 in the bank with $35,000 in monthly expenses and $8,000 in revenue burns $27,000/month net — about 9.3 months of runway before running out of cash.
Frequently Asked Questions
What counts as a healthy runway?
Most startups aim to keep at least 12-18 months of runway to leave room for fundraising timelines and unexpected setbacks.
What if my revenue exceeds expenses?
You're cash-flow positive — runway is effectively infinite as long as that holds, though growth investments can still burn cash.