Runway Calculator
how long does your cash last?
Enter your cash on hand and monthly net burn to see your runway in months and your estimated cash-out date. Everything runs in your browser.
Live calculation
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Always free
Months
Runway remaining
Date
Estimated cash-out
Free
No login to compute
<30s
To your runway
Your numbers
Total cash in the bank today
Net cash you lose each month (spend minus revenue)
Not sure of your net burn? Calculate it first.
Results
Runway remaining
12.5 mo
Months until you run out of cash at this net burn.
Estimated zero-cash date
June 30, 2027
Approximate date your cash reaches zero if nothing changes.
Your runway updates automatically as cash and burn change in BurnRateOS.
Watch your runway in real time
BurnRateOS keeps your runway and cash-out date current as your bank balance and burn change — so a fundraise deadline never sneaks up on you.
Free runway tracking • No credit card required