Managing cash flow is the most critical task for any early-stage startup. This calculator helps you understand your gross and net burn rates, providing a clear estimate of how many months of runway you have left based on your current cash balance and recurring expenses.
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Know Your Startup's Financial Health
Calculate your monthly burn rate and runway. Essential financial planning for startup founders by FusioFiles. Fast, free, and 100% private browser tool.
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1
Cash Balance
Enter your total current available cash in the bank.
2
Monthly Revenue
Input your average monthly income or recurring revenue (MRR).
3
Monthly Expenses
Enter your total monthly outgoing costs (salaries, rent, software, etc.).
Key Features
Runway Tracking
Get a clear countdown of how many months your business has before needing more capital.
Burn Analysis
Compare your gross burn (total spend) against your net burn (actual cash loss).
Risk Indicators
Visual warnings when your runway drops below critical thresholds (3-6 months).
Frequently Asked Questions
Gross burn is the total amount of money you spend each month. Net burn is the actual cash lost (Expenses minus Revenue).
Most experts recommend maintaining at least 12-18 months of runway to allow for growth and fundraising cycles.
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