How to use this calculator
- Enter cash marketable securities and receivables, average daily cash operating expenses.
- Choose a display currency, then select Calculate. Results also update after a brief pause while you edit.
- Read the result with the assumptions below. Export details or save a second scenario to compare your choices.
Formula and method
Assumptions and limitations
Receivables may not be immediately collectible; omit noncash expenses and use a representative daily cost.
Worked example
With cash marketable securities and receivables = 90000, average daily cash operating expenses = 1000, defensive interval in days is approximately 90.
What the result means
Estimate how many days entered liquid assets could cover cash operating expenses.
Common questions
How should I interpret defensive interval in days?
Estimate how many days entered liquid assets could cover cash operating expenses.
What should I check before using this result?
Receivables may not be immediately collectible; omit noncash expenses and use a representative daily cost.
Methodology and transparency
Calculation specification reviewed on 2026-10-14. Mathematical implementation is tested against independent reference fixtures. This does not imply review by a licensed financial professional. Read the testing and precision policy.