Personal finance

Emergency Fund Calculator

See how big your emergency fund should be from your monthly expenses and the number of months you want it to cover.

  • Free
  • No sign-up
  • Updated for 2026

Your safety net

$
mo

Enter your expenses and months to cover to see the target.

Worked example

With these example inputs:

  • Monthly expenses$3,000
  • Months to cover6 mo

Emergency fund target: $18,000

  • Monthly expenses$3,000
  • Months covered6

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What this emergency fund calculator does

This calculator shows how big your emergency fund should be. You enter your essential monthly costs. You choose how many months to cover. The tool then sets a clear savings target. You can test different months of cover. The result is a goal you can plan around. It turns a vague worry into a number.

Why you need an emergency fund

Life brings surprises that cost money. A car breaks down or a boiler fails. A job can end sooner than expected. Without savings, these shocks turn into debt. So a fund is a buffer against that debt. It is set in your currency.

How it is calculated

The tool takes your monthly expenses. It multiplies them by your months of cover. So the target scales with both numbers. A higher cost lifts the target. More months lift it too. The result is your fund target. The calculator does this for you.

What the result tells you

The result shows your fund target. Three thousand a month for six months gives an eighteen thousand target. A bigger monthly cost raises it. More months of cover raise it too. So it shows the cushion you should hold. It is a clean, clear result.

The monthly expenses

Your monthly expenses are your essential costs. Include rent, food, and utilities. Add transport, insurance, and minimum debt payments. Leave out holidays and dining out. So the target stays realistic. A leaner number is easier to reach. Enter your real essential costs.

The months to cover

The months to cover set how long the fund lasts. A common target is three to six months. Three months suits a stable, steady income. Six months suits freelancers or a single income. So your job security guides the choice. A safer income needs fewer months. Enter the months you want.

What counts as essential

Your fund should cover needs, not your full lifestyle. Include the bills you must pay each month. Add food, housing, and basic transport. Leave out extras like trips and dining out. Those can pause in a real emergency. So a leaner target is easier to hit. It still protects the things that matter.

How to use it

Enter your monthly expenses first. Choose your months of cover. Read the fund target in your currency. Then try three and six months. Compare a few targets. Pick the level that fits your life. Use it to set a clear goal.

The limits of this calculator

Keep its limits in mind. It sets a target, not a savings plan. It does not track your progress. Your real needs can change over time. Inflation lifts costs as years pass. So take it as a rough guide. So review it now and then.

Common mistakes to avoid

A common mistake is setting too big a target. A huge goal can feel out of reach. Another is including every luxury. Stick to true essentials only. Some keep the fund in risky places. Others dip into it for wants. A clear goal avoids these traps.

A final tip

Use this to set a clear goal. Remember it sizes the fund, not the saving. Start with one month as a first step. Keep the cash in a separate account. Use it only for true emergencies. Refill it after you spend it. A careful goal guides your safety.

Frequently asked questions

How many months should I save?

Three to six months of expenses is a common target. Lean toward six or more if your income is variable or you are the sole earner.

What counts as expenses here?

Use your essential monthly costs, housing, food, utilities, insurance and minimum debt payments, rather than your full discretionary spending.