Startup Burn Rate & Runway Calculator

Determine exactly how much time your startup has to reach profitability or raise your next round.

Burn rate is how much cash your startup loses per month (after revenue). Runway is how long you can operate before cash runs out.

Disclaimer: This tool is for educational purposes and does not constitute financial or investment advice. Cash runway is a snapshot in time; real-world expenses often fluctuate based on seasonal costs and hiring.
Estimated Runway
12.5

Months Remaining

Net Burn: $40,000 / mo

Visual scale capped at 24 months for comparison

Updates instantly as you type

Want to know if you're Default Alive? → Breakeven Calculator

Mastering the Startup Survival Timeline

In the current funding environment, runway management is the ultimate differentiator between founders who survive and those who stall. By understanding your net burn rate, you gain the clarity needed to make difficult decisions about hiring, marketing, and pivot strategies.

Strategic Scenario Planning

Calculators only show you where you are today. Professional founders use scenario planning to look ahead. Ask yourself:

Runway "Danger Zones" Benchmark

Runway Left Status Strategic Action Required
0 - 6 Months Danger Zone Immediate cost-cutting. Pivot to revenue-first.
6 - 12 Months Fundraising Zone Begin pitching. VC cycles now take 18-24 weeks.
18+ Months Healthy / Scale Focus on product-market fit and aggressive hiring.

Practical Example of Burn Math

Consider a SaaS company with a cash balance of $500,000. Their monthly payroll and AWS costs (Expenses) total $50,000, while their recurring subscriptions (Revenue) total $10,000.

Net Burn: $50,000 - $10,000 = $40,000 per month.
Total Runway: $500,000 / $40,000 = 12.5 Months of life.

Survival & Burn FAQs

How do I extend my runway without new capital?

Focus on "Efficiency Gains." Review your SaaS stack for redundant tools, renegotiate annual contracts for discounts, and pause experimental marketing channels that aren't yielding a 2x ROI.

What is "Default Alive"?

You are "Default Alive" if your current cash plus your growth rate leads to profitability before zero. If your expenses are growing faster than revenue, you are "Default Dead" and must raise or cut. Use our Breakeven Tool to check your status.