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How to build your emergency fund

4 min readReviewed on 3 November 2026

In short

  • It is measured in months of essential expenses, not salary.
  • A common reference is 3 to 6 months, depending on how stable your income is.
  • Keep it accessible and risk-free, separate from your everyday account.

What it is and what it is for

An emergency fund is money set aside for costs you cannot predict: a breakdown, a medical bill or a few months without income. Its job is not to earn a return but to stop an unexpected event from forcing you into debt or into selling an investment at a bad time.

How much you need

It is measured in months of essential expenses: the ones you would keep paying even if your income stopped (housing, food, utilities, transport, insurance and minimum debt payments). Leave out leisure and anything you could cut straight away.

  • With a stable income and other sources of support, a common reference is 3 months.
  • If your income varies, you are self-employed or you are the household's only earner, aim for 6 months or more.

There is no universal figure: choose the one that lets you sleep well in your situation.

A worked example

Example calculated with our calculator
Essential expenses per month€1,400
Target coverage6 months
Target fund€8,400
Already saved · saving per month€2,000 · €300
Time to complete it22 months

Today that money covers 1.4 months. Each €300 you add buys a little over a week of coverage.

Where to keep it

The fund must be available within a few days and without risk of losses: a savings account or a deposit with no early-withdrawal penalty are common choices. Keep it separate from your everyday account so you do not spend it without noticing.

Watch out: do not invest it in the stock market. Falls tend to come just when you most need the money.

Work it out with your numbers

The calculator shows how many months you cover today, how much is missing and how long it will take to complete with what you can save.

Open the calculator

Sources and review. Our own calculation with the Numveria emergency fund calculator. This guide does not cite external data. Reviewed on 3 November 2026.

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