Startup Runway Examples
Understanding startup runway is important for survival and strategic planning. It's more than a simple cash-to-burn ratio; it involves projecting various financial scenarios to gauge your operational lifespan and inform critical business decisions, from hiring to product development and fundraising.
Bottom Line
Startup runway measures how long your business can operate before running out of cash, considering current expenses and revenue, but it's a dynamic metric profoundly influenced by strategic decisions and external factors.
Startup Runway Calculator
Calculate months of runway from cash, burn rate, and revenue growth assumptions.
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Worked Examples
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Each scenario keeps the starting point, the outcome, and the actual lesson in one place so the page reads like a decision notebook, not a data dump.
- 1
Baseline case
A startup holds $150,000, burns $25,000 a month, earns $5,000 in revenue growing 5% monthly.
Net burn starts near $20,000 a month, so the runway is 8 months before cash runs out.
Cash On Hand
$150,000
Monthly Burn
$25,000
Monthly Revenue
$5,000
Revenue Growth Pct
5%
Eight months is inside the danger zone: fundraising or break-even work needs to start now, not at month six. The 5% revenue growth barely dents the burn at this scale.
- 2
More cash raised
A bridge round lifts cash to $172,500, with burn, revenue, and growth unchanged.
Runway extends to 10 months, two more than baseline, on the extra $22,500 of cash.
Cash On Hand
$172,500
Monthly Burn
$25,000
Monthly Revenue
$5,000
Revenue Growth Pct
5%
Raising 15% more cash bought two extra months. Cash is the most direct runway lever, but it is also the most expensive, since it dilutes ownership to buy time.
- 3
Lower burn
Cut monthly burn to $21,250 through cost discipline, holding cash, revenue, and growth steady.
Runway stretches to 11 months, three more than baseline, from a 15% burn cut.
Cash On Hand
$150,000
Monthly Burn
$21,250
Monthly Revenue
$5,000
Revenue Growth Pct
5%
Trimming burn beat raising the same percentage of cash: it added three months versus two, and costs no equity. Cutting spend is the cheapest way to extend runway when the option exists.
- 4
Higher revenue
Grow monthly revenue to $6,750, with cash, burn, and growth rate at baseline.
Runway improves to 9 months, one more than baseline, because revenue offsets part of the gross burn.
Cash On Hand
$150,000
Monthly Burn
$25,000
Monthly Revenue
$6,750
Revenue Growth Pct
5%
An extra $1,750 of monthly revenue bought only one month here, less than cost cuts did, because revenue still trails the $25,000 burn. Revenue helps most once it approaches the burn line.
Patterns
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Sources & References
Related Content
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Startup Runway Formula
Calculate your startup's financial survival time. Learn how to use Cash On Hand and Monthly Burn to predict runway, make strategic decisions, and secure.
How to Calculate Startup Runway: Step-by-Step
Learn how to calculate startup runway step by step: enter cash, burn rate, and revenue to get runway months, your zero-cash date, and break-even point.
What Is Burn Rate? Meaning, Formula & Runway
Burn rate is how fast a business spends cash before turning a profit. Learn gross vs net burn, the formula, and how it sets your startup runway.