Finance Tool — T065

Startup Burn Rate & Runway Tool

Calculate how many months your business can survive at its current spending level before needing more capital.

Controls

0 Months

How to Use Startup Burn Rate & Runway Tool

  1. 1 Enter your current bank balance (Cash on Hand).
  2. 2 Input any recurring monthly revenue your business is generating.
  3. 3 List all monthly expenses (Salaries, Rent, AWS/SaaS costs).
  4. 4 Use the 'Months of Runway' figure to set a deadline for your next investment round—typically you should start fundraising when you have 6 months of runway remaining.

Why This Matters

Startups rarely fail because their product is bad; they fail because they run out of money. Founders often focus on 'Gross Burn' (total spending) without accounting for 'Net Burn' (spending minus revenue), leading to a distorted view of their financial health. Without knowing the exact date the bank account hits zero—your 'Default Dead' date—you cannot plan a fundraising round or a strategic pivot effectively.

How utilizetools Solves It

This automated runway analyzer provides an objective look at your corporate cash flow. It calculates your monthly net burn rate and divides your current cash reserves by that figure to provide a 'Runway' metric in months. This transparency allows founders to decide if they need to 'cut the fat' on expenses or if they have enough time to reach profitability before the next funding milestone.

Further reading: For deeper context, see Student Loan Refinancing: Complete Calculator & Decision Guide, Mortgage Calculator Deep Dive: APR vs. Interest Rate, Amortisation, and What Banks Don't Tell You.

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