Find out how many months of runway you really have, and how shifts in revenue or costs change your survival window.
How many months until the money runs out?
A small-business runway tool that accounts for revenue growth, expense drift, planned hires, and one-time events. Everything updates as you type.
Projected runway
—months
Enter your numbers to begin
Cash balance over time
Cash
Zero line
Net burn, month 1
—
Zero-cash date
—
Break-even month
—
Ending cash (horizon)
—
Hiring plan
ii. Role Start month Monthly cost
One-time events
iii. Description Month Type Amount
This calculator takes your cash on hand, recurring monthly costs, and incoming revenue to project a runway and a survival horizon. It’s built for founders and operators who want a fast read on whether the business is safe, fragile, or already in trouble — and what levers would change the outcome.