Startup Runway Calculator
Calculate how many months your startup's cash will last. Includes gross burn, net burn with revenue, and extended runway scenarios.
Quick Answer
This startup runway calculator shows how many months your company can operate before running out of cash. Model different scenarios to extend your runway and plan fundraising.
How to Use This Calculator
Enter your startup's current cash balance and monthly burn rate (salaries, rent, software, marketing). Set an emergency fund reserve and optionally enter monthly revenue. This burn rate calculator shows runway in months, gross burn, net burn rate, and what happens if you reduce burn by 10% for extended runway scenarios.
How Startup Cash Runway and Burn Rate Work
Runway is how long a startup can operate before running out of cash — a critical metric for early-stage companies. The formula: (cash - emergency reserve) ÷ (monthly burn - monthly revenue). Investors want 12-18 months minimum. Under 6 months is urgent, requiring cost cuts or funding. Use this startup runway calculator to make informed decisions about hiring, marketing spend, and when to raise your next round. Understanding your cash runway helps you plan ahead and avoid cash crunches.
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