Burn Rate & Runway Calculator
How many months of cash are left.
Enter your values
ⓘ Live results
Results
- Net monthly burn
- $50000
- Runway
- 10 months
- Runway in years
- 0.83
- Zero-cash date months out
- 10
Quick answer
Runway in months is current cash balance divided by net monthly burn.
runway = cash balance / (expenses - revenue)
How to use the Burn Rate & Runway Calculator
- 1Enter your current cash balance.
- 2Enter average monthly expenses and revenue.
- 3Net burn is expenses minus revenue; runway is cash divided by that burn.
Worked example
Using the values the calculator loads with:
Inputs
- Cash in bank500000 $
- Monthly expenses80000 $
- Monthly revenue30000 $
Results
- Net monthly burn$50000
- Runway10 months
- Runway in years0.83
- Zero-cash date months out10
Frequently asked questions
What if revenue exceeds expenses?
Burn is negative, meaning the business is cash flow positive and runway is effectively unlimited.
Should I use gross or net burn?
Net burn (after revenue) gives the realistic runway figure investors look at.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.