How big should your emergency fund be?

An emergency fund is money you keep aside so a surprise expense doesn't turn into debt or a missed bill. The hard part is knowing how much is enough. Here's how the common guidelines work, how to pick a number for your situation and where to keep the money.

What counts as an emergency fund

The Consumer Financial Protection Bureau describes an emergency fund as a cash reserve that's specifically set aside for unplanned expenses or financial emergencies, such as car repairs, home repairs, medical bills or a loss of income.

It is different from money you save for things you know are coming, like holiday gifts or an annual insurance bill. Mixing the two makes it hard to tell whether you're actually prepared for an emergency.

The common guideline: three to six months

A common target is three to six months of living expenses. FINRA's investor education site puts it this way: financial planners often recommend the equivalent of three to six months of living expenses, though people with variable income or specialized careers might need a larger reserve than those with stable jobs.

The CFPB doesn't give a months-based number. Its guide says the right amount depends on your situation and suggests thinking about the unexpected expenses you've had in the past.

So three to six months is a rule of thumb, not an official requirement.

How many Americans have one

The Federal Reserve's report on household finances in 2025, published in May 2026, found that 55% of adults had set aside money for three months of expenses in an emergency or rainy day fund. It also found that 63% of adults would have covered a hypothetical $400 emergency expense entirely with cash, savings or a credit card paid off at the next statement.

How to find your number

Step 1: Add up your essential monthly expenses

Use what you'd still need to pay if your income stopped: housing, utilities, groceries, insurance, transportation, minimum debt payments, child care and medications. Leave out things you could pause, such as eating out or most subscriptions.

Step 2: Multiply

For example, if your essential expenses are $2,500 a month:

Step 3: Adjust for your situation

You might aim toward the higher end, or above it, if:

• Your income is irregular, seasonal or commission-based
• You're the only earner in your household or have dependents
• Your job would take a long time to replace
• You have high insurance deductibles or an older car or home

You might be comfortable nearer the lower end if your household has two steady incomes, your job is in demand and your fixed costs are low.

Start with a smaller first goal

Six months of expenses can feel out of reach. You don't have to get there at once. The CFPB notes that even a small amount can provide some financial security, and FINRA says that if you can't yet reach recommended levels, the most important thing is to start the habit of saving.

A practical path is to set goals in stages:

1. A starter amount that covers a common surprise, such as a car repair. For example, $500 or $1,000 is a round first target.
2. One month of essential expenses.
3. Three months, then more if your situation calls for it.

If you're also paying off high-interest debt, a starter fund can keep you from putting the next surprise expense back on a card while you work on the balance.

How to build it

• Automate it. The CFPB points to recurring transfers through your bank or credit union as a common way to save consistently. Schedule the transfer for payday.
• Save one-time money. The same guide notes that a tax refund can be one of the largest checks many people receive all year. Putting part of a refund, bonus or gift toward your fund can move it forward quickly.
• Track progress. A specific goal with a visible balance is easier to stick with than "save more."

Where to keep it

An emergency fund should be safe, easy to reach and a little out of sight. The CFPB says you want it safe, accessible, and in a place where you're not tempted to spend it on non-emergencies. FINRA suggests a liquid, interest-bearing account like a savings account at a bank or credit union, and advises checking what fees or penalties apply to withdrawals if you consider money market accounts or certificates of deposit (CDs).

Federal insurance protects deposits if an insured institution fails:

• Banks: The FDIC insures deposits up to $250,000 per depositor, per FDIC-insured bank, for each account ownership category. That covers checking, savings, money market deposit accounts and CDs. It does not cover stocks, bonds, mutual funds, annuities, crypto assets or other non-deposit investments, even when a bank sells them.
• Credit unions: The NCUA's Share Insurance Fund insures accounts at federally insured credit unions up to $250,000 per member, by ownership category, backed by the full faith and credit of the United States.

Keeping your emergency fund in a separate savings account from your everyday checking, possibly at a different institution, can make it less tempting to dip into.

Investing your emergency fund in the stock market adds the risk that it's worth less right when you need it. FINRA notes that having an emergency fund can let you take appropriate investment risks elsewhere without fearing that a downturn will force you to sell at a loss.

Using it, then refilling it

Decide in advance what counts as an emergency so the fund doesn't slowly turn into a spending account. Then, when a real emergency happens, use it. The CFPB says don't be afraid to use it if you need it, and if you do, work to build it up again. Restart or increase your automatic transfer until you're back to your goal.

How SpendySaver helps

In SpendySaver's Net worth & goals, you can set an emergency fund goal and watch your progress as your savings balance grows. Your budget can include a monthly savings category for it, and the Forecast shows your expected day-by-day balance, which can help you pick a transfer amount that won't leave checking short. SpendySaver links read-only and never moves money, so transfers happen through your bank.