Burn Rate Calculator

What is Startup Burn Rate?

Burn rate measures the rate at which a company spends its cash reserves before reaching positive cash flow. It is a fundamental financial metric for startups, early-stage businesses, and venture-backed companies to monitor financial health and capital efficiency.

Key Burn Rate Formulas

Understanding burn rate requires distinguishing between gross burn rate and net burn rate:

1. Gross Burn Rate: The total amount of operating cash spent each month on salaries, office space, software subscriptions, marketing, and other expenses.

$$\text{Gross Burn Rate} = \text{Total Monthly Operating Expenses}$$

2. Net Burn Rate: The actual net cash loss per month after factoring in incoming revenues or sales income.

$$\text{Net Burn Rate} = \text{Monthly Expenses} - \text{Monthly Revenue}$$

3. Cash Runway: The number of months a startup can operate before completely running out of cash at its current net burn rate.

$$\text{Cash Runway (Months)} = \frac{\text{Starting Cash Balance}}{\text{Net Burn Rate}}$$

How to Calculate and Extend Your Runway

To extend your company cash runway:

• Reduce recurring discretionary operating overhead.
• Increase revenue conversion and recurring monthly income.
• Improve accounts receivable collection times.
• Plan fundraising efforts at least 6 to 9 months before cash exhaustion.