Burn Rate & Runway Calculator
Burn rate and runway calculator — see your net monthly burn and exactly how many months of cash you have left.
Cómo Usar Esta Calculadora
Enter your cash on hand, monthly expenses, and monthly revenue.
The calculator finds your net burn (expenses minus revenue).
It divides cash by net burn to show your runway in months — and flags whether you are profitable.
Preguntas Frecuentes
How do you calculate runway?
Runway = cash on hand ÷ net monthly burn, where net burn = monthly expenses − monthly revenue. If you have $500,000 and burn $50,000/month net, you have 10 months of runway.
What is the difference between gross and net burn?
Gross burn is total monthly expenses. Net burn subtracts revenue from expenses — it is the cash you actually lose each month, and the right number for calculating runway.
How much runway should a startup have?
A common target is 18–24 months after a raise, giving you time to hit milestones before needing more capital. Below 12 months, most founders should already be fundraising or cutting burn.
What does "default-alive" mean?
Coined by Paul Graham, default-alive means that on current growth and burn, you reach profitability before running out of money — without needing to raise again. Default-dead is the opposite.
How can I extend my runway?
Grow revenue, cut non-essential spend, or consolidate tools. Replacing several point tools with one platform reduces both cost and overhead, which directly lengthens runway without slowing the team down.
Por Qué Usar Esta Calculadora
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See net monthly burn at a glance
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Calculate months of runway remaining
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Know if you are default-alive
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Plan raises and spend with real numbers
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"Simple, rápido y realmente útil. Lo tengo guardado en favoritos para cada sesión de planificación de campañas."
Líder de Crecimiento, Startup Fintech