Burn Rate Calculator
Calculate your monthly burn rate — how fast your startup or business spends cash. See gross burn, net burn, and how changes in revenue or spending affect your cash position.
How Burn Rate Calculator Works
Calculate your startup or business burn rate — how much cash you spend per month. Find gross and net burn rate instantly. burn rate calculator. Enter your values into the form above and the calculator processes them instantly in your browser — no data is sent to any server.
What Is Burn Rate?
Burn rate is the speed at which a company spends its cash reserves, typically measured monthly. It is the most closely watched financial metric for startups and pre-profit businesses. Gross burn rate is total monthly spending regardless of income. Net burn rate subtracts monthly revenue from expenses, showing the actual cash drain. Tracking both helps founders understand total cost structure and how close they are to covering expenses with revenue.
Burn Rate Formulas
Gross Burn Rate = Total Monthly Expenses
Net Burn Rate = Monthly Expenses − Monthly Revenue
Runway = Cash Balance / Net Burn Rate
Gross Burn vs Net Burn
Gross burn shows your total operating cost and is useful for understanding fixed obligations like salaries, rent, and infrastructure. Net burn reflects the real cash drain after revenue and is the number investors focus on. A company with high gross burn but strong revenue may have a low net burn and long runway. Always report both numbers in board meetings and investor updates for full transparency.
Managing and Reducing Burn
Reducing burn extends runway and gives you more time to reach profitability. Start with the largest expense categories, typically headcount and infrastructure. Consider contractors over full-time hires for non-core functions. Negotiate annual payment discounts for SaaS tools. Avoid premature scaling by keeping team size lean until product-market fit is proven. Monitor burn monthly and set alerts if spending trends above budget.
Tips for Getting Accurate Results
For the most accurate results, use up-to-date numbers from official sources. Double-check your inputs before calculating — small errors in the starting values can lead to significantly different outputs. If you are comparing scenarios, keep all variables the same except the one you are testing. Save or screenshot your results for future reference. This calculator uses standard formulas and is designed to give you a reliable quick estimate, though professional advice may be needed for complex situations.