Startup Burn Rate Calculator

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Created by: Daniel Hayes

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Calculate your startup's burn rate, cash runway, and funding timeline with our comprehensive financial planning tool. Analyze spending patterns, project cash depletion dates, and make informed decisions about fundraising and growth strategy.

What is a Startup Burn Rate Calculator?

A startup burn rate calculator is a financial tool that helps entrepreneurs and investors determine how quickly a startup is spending money relative to its revenue. Burn rate is a critical metric that indicates the monthly cash consumption and helps predict how long a startup can operate with its current funding (runway).

This calculation is essential for financial planning, fundraising decisions, and ensuring business sustainability. Understanding your burn rate helps you make informed decisions about spending, hiring, and growth strategies while maintaining adequate cash flow.

Startup Burn Rate Formulas

Net Burn Rate = Monthly Expenses - Monthly Revenue

Gross Burn Rate = Total Monthly Expenses

Runway = Current Cash Balance ÷ Net Burn Rate

Runway Break-Even = Current Cash Balance ÷ (Net Burn Rate - Monthly Revenue Growth)

How to Calculate Startup Burn Rate: Example

Example scenario: A SaaS startup has $500,000 in funding, monthly expenses of $45,000, and monthly revenue of $15,000.

  • Gross Burn Rate: $45,000 per month
  • Net Burn Rate: $45,000 - $15,000 = $30,000 per month
  • Runway: $500,000 ÷ $30,000 = 16.7 months
  • Cash Depletion Date: Current date + 16.7 months

This means the startup can operate for approximately 17 months before needing additional funding, assuming current spending and revenue patterns continue.

Common Applications

  • Fundraising Planning: Determine when to raise next funding round
  • Financial Planning: Create realistic budgets and spending forecasts
  • Investor Reporting: Provide transparency on cash usage and runway
  • Growth Strategy: Balance spending on growth with financial sustainability

Frequently Asked Questions

What is a good burn rate for a startup?

A good burn rate depends on the startup's stage and industry. Early-stage startups typically aim for 12-18 months of runway, while later-stage companies may operate with 6-12 months. The key is balancing growth investment with financial prudence.

How do I reduce my startup's burn rate?

Reduce burn rate by optimizing operational expenses, negotiating better vendor terms, delaying non-essential hires, and focusing on revenue-generating activities. Prioritize expenses that directly contribute to growth and revenue.

Should I focus on gross or net burn rate?

Both metrics are important. Gross burn rate shows total spending efficiency, while net burn rate accounts for revenue and shows actual cash consumption. Net burn rate is more relevant for runway calculations.

Sources and References

  1. First Round Capital, "Burn Rate Best Practices for Startups", 2024
  2. Y Combinator, "Startup School: Financial Modeling and Metrics", 2024