Emergency Fund Calculator
Emergency fund calculator: how much to keep in cash for emergencies — usually 3 to 6 months of essential expenses.
F = E · n
How to use this calculator
- Choose the quantity you want under “Solve for”.
- Type the known values and pick their units: any combination works.
- The result updates as you type. Open “Show the steps” to see the substitution.
Use essential costs only (housing, food, utilities, insurance, minimum debt payments). Choose 6+ months if your income is irregular or you are self-employed.
Formula
F = E · n
| Symbol | Quantity | Units |
|---|---|---|
| E | Essential monthly expenses | $, €, £ |
| n | Months of cover (3–6) | — |
| F | Emergency fund target | $, €, £ |
Worked example
Given: E = 2,500.00 $ · n = 6
F = E n
Result: F = 15,000.00 $
Emergency fund target for different values of Essential monthly expenses
| E · Essential monthly expenses | F · Emergency fund target |
|---|---|
| 1,250.00 $ | 7,500.00 $ |
| 1,875.00 $ | 11,250.00 $ |
| 2,250.00 $ | 13,500.00 $ |
| 2,500.00 $ | 15,000.00 $ |
| 2,750.00 $ | 16,500.00 $ |
| 3,125.00 $ | 18,750.00 $ |
| 3,750.00 $ | 22,500.00 $ |
| 5,000.00 $ | 30,000.00 $ |
Other values as in the worked example.
Frequently asked questions
$2,500 essential expenses, 6 months?
$15,000.
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