Startup burn rate and runway calculator
Short answer: Burn rate is how fast cash leaves the business; runway (including cash runway) is how many months of cash remain at that pace. Use this startup burn rate and runway calculator with your own numbers. Use your own numbers below. This tool does not store inputs.
Startup burn rate & runway calculator
Net burn = cash out − cash in. Runway = cash ÷ net burn when net burn > 0. Browser-only; nothing is stored.
Inputs: cash on hand, average monthly cash in, average monthly cash out. Outputs: gross burn per month, net burn per month, and runway. Send my results to Full Send after calculating in your browser.
Before you add a salary or a system
The calculator only turns your cash figures into burn and runway. Hiring and tooling decisions need a real close and a forecast. Roman Villard said that when prospects name a blocker—a new system, or more sales hires—he starts by asking why.
“I just start asking the question, why, why, why, why do you need this new system?”
— Roman Villard
“How can we unlock additional capacity within your existing sales reps to be able to accomplish more without the overhead burden of hiring new people.”
— Roman Villard
That is a diagnostic question, not a rule against hiring. If runway is short, pressure-test both spend and the work those dollars are buying. Pair this with books that actually reconcile—see signs your burn rate may be lying.
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Frequently asked questions
How is burn rate calculated here?
Net burn = monthly cash out minus monthly cash in. Gross burn uses cash out only.
How is runway calculated?
Runway months is cash on hand divided by net burn, when net burn is positive. If you are cash-flow positive, runway is not the limiting metric.
Does this store my numbers?
No. Math runs in your browser. Nothing is uploaded.
Is this investment advice?
No. It is a simple cash math tool. Fundraising and spending decisions need your own advisors.
How does this connect to hiring decisions?
The calculator only does cash math. Roman Villard said that when a company wants a new system or more headcount, he starts by asking why, and looks for ways to free capacity in the current team before adding overhead.
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This page is educational directory content. It is not tax, legal, investment, or accounting advice.
Quoted remarks are Roman Villard’s words. Case-study details are what he described and what appears on Full Send’s live profile; they are not a guarantee of results.