How much should be in your emergency fund?
The common guideline is three to six months of living expenses, and you can base it on your essential expenses only: housing, utilities, groceries, insurance, transport and minimum debt payments. Aim for the upper end if your income is irregular, you are the only earner, or your job would be hard to replace. If that goal feels far away, start with one month; with essentials of $2,550, that is $2,550 first, then $7,650 for three months.
What the guideline says, and who says it
- Three to six months. FINRA, the US broker regulator, writes that financial planners often recommend the equivalent of three to six months of living expenses, and that people with variable income may need a larger reserve (FINRA).
- Your own history. The Consumer Financial Protection Bureau adds that the right amount depends on your situation, suggests looking at the unexpected expenses you had in the past, and stresses that even a small amount helps (CFPB).
- Where most people are. In the Federal Reserve's 2025 survey, 63% of adults said they would cover a $400 emergency expense with cash or its equivalent (Federal Reserve, May 2026). A first goal of one month of essentials already puts you well past that test.
Worked example: Morgan's target
Morgan lists only the costs that would continue if the paycheck stopped tomorrow. Eating out, streaming and shopping are left out, because they can be cut in an emergency.
| Essential expense | Per month |
|---|---|
| Rent | 1,300 |
| Utilities | 160 |
| Groceries | 450 |
| Insurance (health, car, renters) | 180 |
| Transport (gas, transit) | 220 |
| Phone and internet | 90 |
| Minimum debt payments | 150 |
| Essentials | 2,550 |
Morgan already has $2,000 saved and can add $400 a month.
| Goal | Amount | Still missing | Months at $400 |
|---|---|---|---|
| Starter: 1 month | 2,550 | 550 | 2 |
| 3 months | 7,650 | 5,650 | 15 |
| 6 months | 15,300 | 13,300 | 34 |
Months are rounded up: $5,650 ÷ $400 = 14.1, so the fifteenth deposit reaches the goal. Interest is left out.
What the table tells Morgan: the starter goal is two months away, which makes it a realistic first target. Three months takes a bit over a year. Six months takes almost three years at this pace, so it only makes sense to aim for it if Morgan's income is uncertain; otherwise the money after three months may be better used for high-interest debt or retirement.
Calculate your emergency fund
Where the target should move
| Your situation | Lean toward |
|---|---|
| Two stable incomes, either could cover essentials alone | 3 months |
| One stable income, no dependents | 3 to 4 months |
| Only earner for a family, or a job that takes long to replace | 6 months |
| Freelance, commission or seasonal income | 6 months or more |
| High deductible on health or car insurance | Add the deductible on top |
This is a starting point, not a rule. If your own history shows a big unexpected bill every year, a car repair or a vet visit, make sure the fund covers that one comfortably.
Common mistakes
- Using your full spending. Counting eating out and subscriptions makes the goal bigger than it needs to be and harder to reach. In an emergency, you would cut them.
- Mixing it with planned costs. Christmas, car insurance and vacations are not emergencies. Give them their own sinking funds, or the emergency fund empties every December.
- Investing it. The money has to be there in a bad week for the stock market. FINRA recommends a liquid, interest-bearing savings account.
- Not refilling it. After you use it, the monthly amount goes back to the fund until it is full again.
Follow-up questions
Should I save an emergency fund or pay off debt first? Many people do both: a starter fund of one month first, so a surprise bill does not go on the credit card, then extra payments on the debt, then the full fund.
Does a credit card count as an emergency fund? No. It can bridge a few days, but it turns an emergency into debt at a high interest rate.
What if my income is irregular? Base the target on your essential expenses, not on income, and aim for the upper end. We explain how to budget the lean months in how to budget with an irregular income.
Sources: FINRA, "Start an Emergency Fund"; CFPB, "An essential guide to building an emergency fund"; Federal Reserve, Economic Well-Being of U.S. Households in 2025, press release of 13 May 2026. Morgan's figures are illustrative.
Disclosure: Stillpenny makes the All-in-One Budget Planner App Bundle (19.90 EUR, one-time purchase on Etsy). Its Goals & funds module tracks savings goals like an emergency fund next to your sinking funds, budgets and bills, offline in a computer browser, not on phones. It is optional: the calculator above is free.
General information, not financial advice.