Runway Calculator
Turn cash in the bank and net burn into months of runway.
Quick answer: enter your details below and click Calculate Runway — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter cash available.
- Enter monthly net burn.
- Click Calculate Runway to see months remaining.
About this tool
Enter cash available and monthly net burn, and the tool gives runway in months. This is an estimate that assumes burn stays flat; a change in spending or revenue changes the answer, so re-run it whenever either moves.
Frequently asked questions
What if burn changes next month?
Re-run the calculation. Runway is a snapshot, and a new burn rate gives a new runway.
Does runway include future funding?
No. It only counts cash you already have, so planned funding should be treated separately.