How to use the Emergency Fund
- Add up essential monthly outgoings only — housing, utilities, food, transport, insurance, minimum debt payments.
- Exclude discretionary spending you could pause in a crisis.
- Choose a coverage period based on your income stability.
- Divide the gap by your monthly saving capacity to get a timeline.
How the calculation works
The target is essential monthly costs multiplied by a coverage period. Three months suits a dual-income household with secure salaried work; six is the common default; nine to twelve is appropriate for self-employed, commission-based or single-income households, and for anyone in a sector where finding comparable work takes time. The right figure is the one that covers a realistic job search, not an arbitrary standard.
Where the money sits matters as much as how much. It must be accessible within days and must not fluctuate in value, which rules out equities and long-notice accounts; a high-yield instant-access savings account is the standard answer. It will likely lag inflation slightly, and that is the correct trade — the fund's job is to prevent you selling investments at a loss or borrowing at credit-card rates during a shock.
Target = essential monthly expenses × coverage months ; months to fund = (target − current) / monthly savingSource: Three-to-six-month guidance per consumer financial protection and personal finance standards; longer for variable income.
Worked example
A freelancer with 2,850 of essential monthly costs, 4,200 saved, able to set aside 500 a month.
- Variable income suggests nine months of coverage.
- Target = 2,850 × 9 = 25,650.
- Gap = 25,650 − 4,200 = 21,450.
- Months = 21,450 / 500 = 42.9.
About 25,650 is the target, roughly 43 months away at the current rate — a case for building to a three-month floor first and then continuing.
Frequently asked questions
How many months should I hold?+
Three for stable dual salaried income, six as a general default, and nine to twelve for self-employed, commission-based or single-income households.
Should I include discretionary spending?+
No. Base it on what you genuinely could not cut — subscriptions, dining out and holidays would pause in an emergency, and including them inflates the target unnecessarily.
Where should the money be held?+
An instant-access, capital-stable savings account. Accessibility beats yield here; investments can fall exactly when you need to draw on them.
Should I build the fund before investing?+
Build at least a one-month buffer first, then run both together. Without a buffer, any shock forces you to sell investments at a bad moment or reach for credit.
Last reviewed August 31, 2026. We review this page whenever the underlying formula, tax year, published rate or standard changes.