Startup Runway Calculator
Estimates how many months a startup can operate before running out of cash.
Every calculation runs instantly in your browser, so your inputs are never sent to a server, and the tool is free with no sign-up. You can save the results as an Excel file with live formulas and reuse them later.
Inputs
- Cash on hand ($)
- Monthly revenue ($)
- Monthly expenses ($)
Example calculation
Runway: 8.3 months
| Monthly burn rate | $60,000 |
|---|---|
| Cash on hand | $500,000 |
Method & notes
Runway = cash ÷ (expenses − revenue), assuming the current burn rate holds.
Tips
Change any input and the result recalculates in real time. After downloading the Excel file, you can reuse it by editing only the yellow input cells.
FAQ
How does the Startup Runway Calculator work?
Estimates how many months a startup can operate before running out of cash. Runway = cash ÷ (expenses − revenue), assuming the current burn rate holds.
Can I save the results?
Yes. You can download the results for free as an Excel (.xlsx) file with live formulas that recalculate when you change the yellow input cells.
Is it free?
Yes — all Calcova calculators are free, and you can save results as an Excel file.