Overdraft Fees Explained: How They Work and 10 Ways to Avoid Them
Overdraft fees explained in plain English: what triggers them, how they differ from NSF fees, your opt-in rights for debit cards and ATMs, and practical ways to avoid paying them or get a fee refunded.
An overdraft happens when you spend more than you have in your checking account and the bank pays the transaction anyway. That sounds like a favor, and sometimes it is, but it usually comes with a fee. According to the FDIC, banks that offer overdraft coverage often charge around $35 per overdraft. A $4 coffee that overdraws your account can end up costing you nearly ten times its price.
The good news is that overdraft fees are among the easiest bank fees to avoid once you know how they work. This guide explains the rules, the different types of coverage and the steps that keep your account out of the red.
This is general education, not financial or legal advice. Fees and policies vary by bank, so check your own account agreement.
What is an overdraft fee?
An overdraft fee is charged when your bank approves and pays a transaction that takes your balance below zero. You then owe the bank both the negative balance and the fee.
A nonsufficient funds (NSF) fee, sometimes called a returned item fee, is different. It is charged when the bank declines a payment, such as a check or an automatic payment, because you do not have enough money. The payment bounces, you are charged a fee, and the company you were paying may charge its own returned-payment fee too.
| Overdraft fee | NSF (returned item) fee | |
|---|---|---|
| What the bank does | Pays the transaction | Declines or returns it |
| Your balance | Goes negative | Stays where it was, minus the fee |
| Common triggers | Debit card purchases, checks, autopay | Checks, ACH payments, autopay |
| Extra risk | Multiple fees in one day | Merchant late fees, bounced rent or bill |
Many banks have reduced or dropped NSF fees in recent years, and some have eliminated overdraft fees entirely. Others still charge both. Your fee schedule, usually linked in your app or on the bank's website, tells you exactly what your account charges.
Your opt-in rights for debit cards and ATMs
Under a federal rule known as Regulation E, banks generally cannot charge you an overdraft fee on ATM withdrawals or one-time debit card purchases unless you have opted in to overdraft coverage for those transactions. If you have not opted in, those transactions are typically just declined at the register or ATM, with no overdraft fee.
That protection does not apply to every type of payment. Checks, automatic bill payments (ACH) and recurring debit card charges, like a streaming subscription, can still be paid into overdraft with a fee, depending on your bank's policy.
You can usually check or change your opt-in status in your banking app, online banking settings or by calling the bank. If you opted in when you opened the account and do not remember, it is worth checking.
How overdrafts actually happen
Most overdrafts are not caused by reckless spending. They come from timing.
- Pending transactions. A hotel or gas station places a hold, your available balance drops, and a later purchase overdraws you.
- Deposits that have not cleared. A check you deposited may not be fully available for a day or more.
- Autopay surprises. An annual subscription renews on a day when your balance is low.
- Processing order. Banks have policies on the order in which they post transactions. Depending on the order, one shortfall can trigger more than one fee.
- Fees on top of fees. Some banks charge an extended overdraft fee if your account stays negative for several days.
Available balance vs. current balance
Your current balance (sometimes called ledger balance) is what has fully posted. Your available balance subtracts holds and pending transactions. Banks usually decide whether you have overdrawn based on the available balance, so that is the number to watch.
Types of overdraft coverage
Banks typically offer one or more of these options:
| Option | How it works | Typical cost |
|---|---|---|
| No coverage (opted out) | Debit and ATM transactions are declined if funds are short | No overdraft fee on those transactions |
| Standard overdraft coverage | Bank pays the transaction and charges a fee | A per-item fee, set by your bank |
| Overdraft protection transfer | Bank pulls money from your linked savings account or card | Free at some banks, a smaller transfer fee at others |
| Overdraft line of credit | A small credit line covers shortfalls | Interest, and sometimes an annual fee |
| Grace period or buffer | No fee if the overdraft is small or fixed within a set time | Free, if you meet the terms |
A linked savings account is usually the cheapest backup. Even if your bank charges a transfer fee, it is often much less than a standard overdraft fee.
10 ways to avoid overdraft fees
1. Check your opt-in setting
If you would rather have a debit card purchase declined than pay a fee, make sure you are opted out of overdraft coverage for ATM and one-time debit transactions.
2. Turn on low-balance alerts
Set an alert for when your available balance drops below a number that gives you breathing room, such as $100 or $200. Most banking apps offer text or push alerts for free.
3. Link a savings account
Connect a savings account as overdraft protection. Learn more about using both accounts together in checking vs. savings accounts.
4. Keep a small buffer in checking
Treat a fixed amount, perhaps $100 to $300, as zero. You never spend it. That cushion absorbs pending holds and timing gaps.
5. Line up bill dates with payday
Ask your utilities, card issuers and lenders to move due dates to a few days after you are paid. Most will do it on request.
6. Audit your autopays and subscriptions
List every automatic charge and the date it hits. Cancel the ones you do not use, and put annual renewals on your calendar.
7. Use a debit card for budget discipline, not as a guess
Before a purchase, glance at your available balance, not your memory of it. If you share an account, agree on a check-in routine.
8. Understand your bank's deposit availability
Know when direct deposits, mobile check deposits and transfers become available. Your bank must disclose its funds availability policy.
9. Ask about fee-free alternatives
Some banks offer a grace period to bring your balance back up before a fee is charged, or a small buffer below zero with no fee. If your bank offers neither, compare accounts that do. Our guide on how to switch banks shows how to move without missing a payment.
10. Build a small emergency fund
The most reliable overdraft protection is money of your own. Even a few hundred dollars in savings turns an overdraft from a crisis into a quick transfer. The emergency fund calculator helps you set a target, and how to build an emergency fund shows how to get there.
How to ask for an overdraft fee refund
Banks often waive a fee for customers with a good history, especially the first time. Here is a simple approach:
- Bring your account back to a positive balance first.
- Call or use the bank's secure chat, and be polite and brief.
- Try something like: "I was charged an overdraft fee on [date]. I've had the account for [time], I've already brought the balance back up, and I've set up alerts so it won't happen again. Could you waive this fee as a courtesy?"
- If the first person says no, ask whether a supervisor can review it.
There is no guarantee, but it costs nothing to ask.
What about regulation?
In December 2024, the Consumer Financial Protection Bureau finalized a rule that would have limited overdraft fees at very large banks and credit unions. Congress overturned that rule under the Congressional Review Act, and it was signed into law in May 2025, so it never took effect. That means overdraft fee amounts are still set by each bank, subject to existing disclosure and opt-in rules. If you are shopping for a new account, compare overdraft policies alongside monthly fees. A credit union is worth checking too.
Frequently asked questions
Can I be charged more than one overdraft fee in a day?
Yes, at many banks. Each overdrawn transaction can trigger its own fee, often up to a daily limit set by the bank. Check your fee schedule for the maximum.
Does an overdraft hurt my credit score?
A standard overdraft is not reported to the major credit bureaus. However, if you leave a negative balance unpaid, the bank may close the account and send it to collections, which can affect your credit and your ability to open bank accounts elsewhere.
What happens if I opt out of overdraft coverage?
ATM withdrawals and one-time debit card purchases that would overdraw your account are usually declined. Checks and automatic payments may still be paid into overdraft or returned, depending on your bank.
Is overdraft protection worth it?
A transfer from your own linked savings account is usually worth setting up because it is free or low-cost. Standard overdraft coverage is only worth it if a declined payment would cost you more than the fee.
Spotted an error? Tell us and we will review it under our editorial policy.
