Burn Rate & Runway Calculator — free online
You're running a small company and one question keeps you up: how long does the money last? You know roughly what comes in and what goes out, but turning that into "how many months do I have" takes a spreadsheet you never quite finish. We added a free tool that does it for you — Burn Rate & Runway — right in your browser.
What it does
You type in your cash on hand and your money in and out, and it shows your monthly net burn — how much you actually spend over what you earn each month. Then it tells you your runway: how many months that cash lasts at this pace. Two numbers that tell you exactly where you stand.
Nothing leaves your device
It all runs inside your browser. Your numbers stay on your screen — nothing is uploaded to a server, nothing is saved anywhere. When you close the page, it's gone. So you can put in real figures without worrying about who sees them.
How to use it
- Open Burn Rate & Runway and enter the cash you have right now.
- Add your monthly money in and money out.
- Read your net burn and how many months of runway you've got left.
It's free with no limit. There are more small tools on the Apps page.