The emergency fund
It has one job, and it is not the job most people think.
4 min read
An emergency fund is money you hold in cash, separate from everything else, to absorb a shock without selling your investments or borrowing.
It is not a savings goal, and it is not a low-return investment you are putting up with. It is what stops a temporary problem from becoming a permanent financial setback.
What it actually protects you from
Without one, a job loss or a $4,000 car repair has to be funded from somewhere, and there are only two somewheres.
Selling investments is worse than it sounds, because emergencies tend to arrive with bad markets. Redundancies cluster in downturns, and downturns are exactly when your holdings are at their lowest. You sell at the worst price, the loss becomes permanent, and the recovery happens without you in it.
Borrowing is worse still. It turns a one off shock into an ongoing repayment that shrinks your disposable income (what is actually left over to save or invest) for years.
How to calculate an emergency fund
The standard guidance is 3 to 6 months of expenses, and it is correct. What people get wrong is the thing being multiplied.
The common error is building the fund on a survival budget: rent, minimum groceries, utilities, nothing else. It produces a satisfyingly small target, and it is the wrong one.
| Situation | Lean toward |
|---|---|
| Single, no dependants, in-demand skills | 3 months |
| Stable salaried job, no dependants | 3 to 4 months |
| Dependants, or one income supporting a household | 6 months |
| Variable income, self-employed, or a narrow specialisation | 6 months or more |
The logic comes down to two questions: how long would it realistically take to replace the income, and how many people rely on it while you do?
Where to keep it
Two requirements, and only two. It needs liquidity (how quickly you can turn it into cash), meaning you can reach it within a day or two. And it must not be able to fall in value, which rules out investing it. A plain bank account does both jobs.
For a Muslim investor, look for a savings or transaction account that pays no interest at all. Several Australian banks offer non-interest-bearing everyday accounts, and the fund is not there to earn a return anyway. Its job is to sit still and be available.
The order this happens in
This is where most people get the sequence wrong, so it is worth stating flatly.
- About $1,000 in cash first. Enough that a flat tyre does not land on a credit card and undo the next step.
- Then clear consumer debt (debt for something that loses value): credit cards, car loans, personal loans, buy now pay later plans. All of it, including the interest-free ones. You cannot build wealth from a negative position.
- Then build the full 3 to 6 months.
- Then invest, automatically, on payday.
Two boundaries are worth setting now. This is not a holiday fund or a car fund. A known future expense is a savings goal, and it belongs in a separate pot with its own name. And if the emergency fund gets spent on planned things, it will be empty when something real happens.
Check yourself
2 questions on this lesson. Nothing is recorded or sent anywhere.
1Why is selling investments to cover an emergency particularly bad?
Redundancies cluster in downturns, which is exactly when your holdings are lowest.
2What should the three to six months be calculated on?
A fund that forces you to live stripped-back gets abandoned early, at exactly the wrong moment.