Cash Runway Calculator

Estimate how long a biotech company can operate before running out of cash, based on current cash reserves and quarterly burn rate. Essential for evaluating pre-revenue biotech investments and dilution risk.

Cash & Equivalents ($)

From the latest 10-Q/10-K balance sheet

Quarterly Burn Rate ($)

Net cash used in operating activities (quarterly)

Revenue Growth Offset (%)

Expected revenue growth that reduces net burn (0% for pre-revenue)

What is Cash Runway?

Cash runway measures how many months a company can continue operations before exhausting its cash reserves. For pre-revenue biotech companies, this is one of the most critical metrics investors track, as it directly impacts dilution risk and financing timing.

The basic formula is: Runway (months) = Cash / Monthly Burn Rate. We use quarterly burn rate from SEC filings and divide by 3 for the monthly figure.

Key Thresholds

> 24 months: Comfortable. Company can focus on R&D without near-term financing pressure.
12-24 months: Watch closely. Management likely planning financing.
< 12 months: High risk. Expect dilutive offering, partnership, or going-concern warning.

Auto-track cash runway for 1,500+ biotechs

BioSniper automatically calculates runway from the latest SEC filings and alerts you when it drops below your threshold.

Start Free