Decision calculator
Startup Runway Calculator
Estimate how many months current cash will last at the present net burn.
Modeled result
$0.00 monthly
$0.00 annually
Methodology and assumptions
Runway in months = cash balance ÷ monthly net burn. A zero burn produces no finite runway; the result is shown as zero rather than implying unlimited certainty.
Currency outputs are rounded to the nearest minor currency unit.
Pricing last verified:
Official source: U.S. Small Business Administration finance guidance
Frequently Asked Questions
What does the Startup Runway Calculator calculate?
Estimate how many months current cash will last at the present net burn.
How accurate is the Startup Runway Calculator?
It is a planning estimate based on the inputs, formula, assumptions, and sources shown on this page. Actual prices, invoices, taxes, discounts, and outcomes can differ.
Which pricing source does the Startup Runway Calculator use?
The calculator links to U.S. Small Business Administration finance guidance as its official source. The displayed pricing or reference data was last verified on 2026-09-05.
Are calculator inputs saved or sent to analytics?
Inputs are processed in your browser. Calculator values are not included in analytics events.