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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Burn Rate Calculator
Calculate your startup's monthly burn rate and runway to plan your next funding round or pivot.
Financial Overview
Cash & Operations
Burn Analysis
Monthly Cash Flow
Gross Burn
$15,000
Total cash spent per month
Net Burn
$10,000
Cash lost per month after revenue
Status Report
Financial Health
Healthy Runway
More than 6 months of runway. You have time to execute and grow.
Formulas Used
Runway Calculations
Net Burn Rate
Net Burn = Monthly Expenses - Monthly RevenueMonths of Runway
Runway = Current Cash Balance / Net Burn RateEstimated Runway
Survival Time
Months Remaining
10.0Months
Survival Date
10 Months OutDefinitions
Understanding Burn
Gross Burn
Total amount of cash your company spends each month on all expenses.
Net Burn
The actual amount of cash lost each month after accounting for revenue.
Default Alive
A startup that can reach profitability with its current cash and growth.
About Know Your Startup's Financial Health
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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