Cash Runway Calculator
Estimate how many months your business can operate before running out of cash, based on current balance and burn rate.
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How this calculator works
Divide your available cash balance by your average monthly net cash outflow to see how many months of runway remain at the current burn rate. Useful for startups and businesses managing tight cash flow.
Frequently asked questions
What is burn rate?
Burn rate is the net amount of cash your business spends each month after accounting for any incoming revenue.
What if my business is cash-flow positive?
If monthly net burn is zero or negative, runway is effectively unlimited — the calculator will flag this rather than show a false figure.
How often should I recalculate runway?
Recalculate monthly using updated cash balance and burn rate, since both can change quickly in a growing or contracting business.
Results are estimates only and are not financial, tax, legal or credit advice.