What is it?
Runway is how many months you can operate with current cash and net burn.
Unit economics
Startup runway calculator
Runway is how many months you can operate with current cash and net burn.
Enter cash balance, monthly expenses, and monthly revenue. Net burn and remaining months appear live.
Startup runway calculator
Inputs
Results
Net monthly burn
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Runway
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Guide
Runway is remaining time
Why it matters
Fundraising timing, cost cuts, and growth bets all depend on knowing how long the money lasts.
How it works
Enter cash balance, monthly expenses, and monthly revenue. Net burn and remaining months appear live.
Formula Runway (months) = Cash ÷ (Monthly burn − Monthly revenue)
Go deeper
Why you’ll love this
Runway is how many months current cash lasts at net burn. It drives fundraising timing, cost cuts, and growth risk.
How to jump in
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Enter cash
Available cash today.
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Add burn and revenue
Use zero revenue if you are pre-revenue.
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Read remaining months
Net burn and runway update live.
What you walk away with
- Net burn math
- What / why / how guide
- IRR and USD
- Paired with ROI and Break-Even
Where it shines
Fundraising timing
Know when to start the next raise.
Cost control
See how burn cuts extend runway.
Growth scenarios
Model how revenue stretches cash.
Quick answers
What if revenue exceeds burn?
Net burn is zero or negative — your cash position is more sustainable.
How exact is runway?
It is a linear estimate assuming steady burn and revenue; model shocks separately.