How big should your emergency fund be?
Three to six months is the rule, but of what, and which end is right for you? A simple way to size it, where to keep it and how to build it.
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The short version
- Aim for three to six months of essential costs, not three to six months of salary.
- Go closer to six (or more) if your income is irregular, you are the only earner, or you own a home.
- Keep it in an easy-access savings account, separate from your everyday account.
- Build it in stages. One month first, then three, then six.
An emergency fund is the most boring money you will ever own. It does not grow much, and the best case is that you never touch it. It is also the thing that stops a broken boiler, a car repair or a lost job from turning into credit card debt you spend two years paying off.
The question is how big it should be. Too small and it does not do its job. Too big and you are leaving money in a savings account that could be working harder somewhere else.
The rule: three to six months of essentials
The standard advice is three to six months of expenses. The important word people skip is essential. You are not trying to fund your normal life for six months. You are funding the version of your life where you have cut everything optional.
That means rent or mortgage, utilities, groceries, insurance, transport and minimum debt payments. Not restaurants, holidays or subscriptions you would cancel the moment things went wrong.
Three months or six? Where you should land
| Your situation | Aim for |
|---|---|
| Stable salaried job, two incomes in the household, renting | 3 months |
| Stable job, single income, or kids depending on you | 4 to 6 months |
| Homeowner (repairs are your problem now) | 6 months |
| Freelancer, self-employed, commission or seasonal income | 6 to 12 months |
| Working in a shaky industry, or in a niche role that takes long to replace | 6 months or more |
A useful way to think about it: how long would it realistically take you to find similar work if you lost your job tomorrow? Your fund should cover at least that long.
Where to keep it
An emergency fund has three jobs: be safe, be reachable within a day or two, and not be too easy to spend by accident. That points to one place.
- Yes: an easy-access savings account at a regulated bank, separate from the account your card is linked to. Pick one that pays a competitive rate. Across the EU, deposits are protected up to €100,000 per person, per bank, if the bank fails. The UK and most other countries have a similar scheme.
- Maybe: a notice account for the part above your first one or two months, if the rate is clearly better.
- No: shares, funds or crypto. Emergencies love to arrive at the same time as a market crash, and selling at a 30% loss to fix a car is an expensive repair.
- No: your current account. Money you can see there tends to slowly become money you have spent.
Check your rate once a year. Banks often launch accounts with a good rate and let it drift down later. Moving your fund to a better-paying account is one of the easiest money wins there is.
How to build it without feeling it
Six months of costs can sound impossible from zero. So do not start there. Build it in stages, and celebrate each one.
- Stage one: €1,000 or one month of essentials. This alone covers most everyday emergencies, like a car repair or a dental bill.
- Stage two: three months. Now a job loss is a stressful period, not a crisis.
- Stage three: your full target. Then stop, and send that monthly amount to investing instead.
The method is always the same: a standing order on payday into the separate account. At €300 a month, the €4,800 three-month target takes 16 months. Put any windfalls in too, like a tax refund or a bonus, and it gets there much faster.
Try it: Savings goalHow long until you hit your number, and how to get there faster.What counts as an emergency
Write this down before you need it, because the line gets blurry when you are looking at a sale:
- Emergency: job loss, urgent medical or dental costs, essential car or home repairs, an urgent trip for family reasons.
- Not an emergency: a holiday, a sale, Christmas, a new phone because the old one is slow. These are predictable. Give them their own savings pot.
If you do use the fund, that is fine. That is what it is for. Just make topping it back up your first savings priority.
Keep reading: an emergency fund is for the unexpected. For bills you can see coming, use sinking funds. Then check how much you should have saved by your age.
The bottom line
Work out your monthly essentials, multiply by three to six depending on how steady your income is, and keep it in a separate easy-access account that pays a fair rate. Build it in stages with an automatic transfer. Once it is full, stop adding and start investing. It is the least exciting money you own, and the one that lets you sleep.