See how many months your existing emergency fund actually lasts if your income stops or drops, and the gap to the recommended 6-12 months.
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Fill in the fields above and select Calculate for an instant estimate.
Computed in your browser from the same formulas the full app uses — it is not saved and does not factor in every detail (taxes, exact compounding dates, fees) the way a saved scenario does. Sign in to save, share, or view history →
The calculator applies the standard formula for this calculation to the values you enter and returns the result instantly.
See how many months your existing emergency fund actually lasts if your income stops or drops, and the gap to the recommended 6-12 months.
You will need: Current Emergency Fund, Monthly Essential Expenses, Monthly Income if Income Stops.
It shows Runway, Recommended Minimum, Recommended Maximum, Corpus for Minimum Runway, Corpus for Maximum Runway, Gap vs. Minimum, Gap vs. Maximum, Income Covers Expenses, Meets Minimum Runway, computed instantly from the values you enter.
Yes, this calculator is free to use. Sign in to save your scenarios, view your calculation history, or share results directly in a Goonjar chat.
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