Free tool · Cash
Runway & Burn Calculator
Enter your cash, revenue and costs. We project month by month with growth rates so you can see when the money runs out — or when you break even.
—
Frequently asked questions
What is a good runway?
Many founders aim to keep 12–18 months of runway and start fundraising with 9–12 months left, because raising often takes 3–6 months.
What is the difference between gross and net burn?
Gross burn is total monthly spending. Net burn is spending minus revenue. Runway uses net burn.
Estimates only, based on the inputs you enter. Not financial, tax or legal advice. Your numbers stay in your browser.