💸 Startup Burn Rate Calculator
Calculate your monthly cash burn and runway to manage startup finances effectively
📊Financial Inputs
Monthly Expenses Breakdown
🔥 Burn Rate Analysis
📋 Financial Breakdown
| Metric | Current value | Decision use |
|---|---|---|
| Net burn rate | $65,000 | Primary monthly cash consumption after revenue. |
| Runway | 7.7 months | Estimate when fundraising or cost reduction must begin. |
| Break-even revenue | $90,000 | Monthly revenue needed to stop net cash burn. |
📊 12-Month Projection
💡 Recommendations
Understanding Startup Burn Rate
Burn rate is the rate at which a startup spends its cash reserves before generating positive cash flow. It's one of the most critical metrics for startup survival and fundraising.
📉 Gross Burn Rate
Total amount of cash spent per month on all operating expenses, regardless of revenue.
💸 Net Burn Rate
Monthly expenses minus monthly revenue. Shows how much cash you're actually losing per month.
🛤️ Cash Runway
Number of months until you run out of cash: Cash Balance ÷ Net Burn Rate
⚖️ Break-Even Point
When monthly revenue equals monthly expenses, achieving zero net burn rate.
Why Burn Rate Matters
- •Survival Planning: Tells you exactly how long you can operate before needing more funding
- •Fundraising Timeline: Helps determine when to start raising your next round (typically 6-9 months before runway ends)
- •Investor Confidence: Shows financial discipline and understanding of unit economics
- •Strategic Decisions: Guides hiring, marketing spend, and product development priorities
Healthy Burn Rate Benchmarks
- 18+ months runway: ✅ Excellent position
- 12-18 months: ✅ Healthy, can focus on growth
- 6-12 months: ⚠️ Start fundraising preparation
- 3-6 months: ⚠️ Active fundraising mode
- <3 months: 🚨 Critical - immediate action needed
Strategies to Reduce Burn Rate
Cost Reduction
- • Renegotiate vendor contracts
- • Switch to remote work
- • Optimize software subscriptions
- • Reduce discretionary spending
Revenue Growth
- • Focus on high-margin products
- • Improve sales conversion
- • Upsell existing customers
- • Launch new revenue streams
Frequently Asked Questions
What is a good burn rate for a startup?
There's no universal "good" burn rate—it depends on your stage, industry, and growth strategy. However, you should maintain at least 12-18 months of runway. Early-stage startups typically burn $50K-$200K/month, while Series A companies may burn $200K-$500K/month. The key is ensuring your burn rate enables sustainable growth toward profitability or the next funding milestone.
When should I start fundraising based on my burn rate?
Start fundraising when you have 6-9 months of runway remaining. A typical fundraising process takes 3-6 months from initial conversations to closed deal. Starting earlier gives you negotiating power and prevents desperation fundraising, which often leads to unfavorable terms.
How can I reduce my burn rate without hurting growth?
Focus on efficiency over pure cost-cutting: (1) Prioritize high-ROI activities, (2) Automate repetitive tasks, (3) Negotiate better vendor terms, (4) Optimize paid marketing for conversion, (5) Focus on product-led growth, (6) Improve customer retention to reduce acquisition costs. The goal is to extend runway while maintaining growth trajectory.
What's the difference between gross and net burn rate?
Gross burn rate is your total monthly expenses (all money going out). Net burn rate is expenses minus revenue (actual cash lost per month). For example, if you spend $100K/month and earn $30K in revenue, your gross burn is $100K but net burn is $70K. Net burn rate is more useful for calculating runway.
Should I focus on reducing burn rate or increasing revenue?
Both matter, but the priority depends on your stage. Early-stage startups should focus on achieving product-market fit, even if it means higher burn. Growth-stage companies should optimize both—increasing revenue while maintaining efficient burn. If runway is critical (<6 months), immediately cut unnecessary costs while doubling down on revenue-generating activities. The ideal path is growing revenue faster than burn rate increases.
About This Calculator
Calculate startup burn rate, monthly cash consumption, and runway remaining before funding exhaustion. Track gross burn rate (total monthly expenses), net burn rate (expenses minus revenue), cash runway in months (cash balance ÷ net burn), and breakeven timeline. Analyze operating expenses ($50k-500k/month), revenue growth rate (0-100% MoM), and funding needs for Seed/Series A rounds ($500k-$10M). Essential for founders monitoring cash position, investors evaluating viability, and CFOs forecasting runway extension strategies (cost cuts, revenue acceleration, fundraising timing).
Frequently Asked Questions
What is startup burn rate?
Startup burn rate is the amount of cash a company spends each month. Net burn subtracts monthly revenue from expenses and is the number most founders use for runway planning.
How much runway should a startup maintain?
A practical target is 12 to 18 months of runway after a funding round. Less than 6 months usually means fundraising, cost reduction, or revenue acceleration needs to start immediately.
What is break-even revenue in this calculator?
Break-even revenue is the monthly revenue needed to cover the current expense base. Reaching that revenue level reduces net burn to zero before financing changes.
Mike is a software engineer with a background in applied mathematics. He develops and maintains SuperCalc's engineering, conversion, and math utility calculators.
- M.S. in Applied Mathematics, MIT
- Former quantitative developer
- 6 years building computational tools