Your bank sets the overdraft limit, not you

The amount you can overdraft depends entirely on your bank's policy and your account history with them. There is no federal law that sets a maximum overdraft amount — each bank decides how far into the red they will let you go. Some banks allow overdrafts of a few hundred dollars; others permit several thousand. A few banks do not permit overdrafts at all and straightforward decline transactions that would take your balance negative.

Your bank determines your overdraft limit based on factors like how long you have held the account, your income, your history of paying overdraft fees, and your overall relationship with the bank. A new account holder might have a limit of $100 or $200, while someone with a long account history and steady deposits might have access to $500 or more. The bank is essentially deciding how much risk they are willing to take that you will repay the negative balance.

You do not choose your overdraft limit yourself. Your bank assigns it behind the scenes. If you want to know your specific limit, you can call your bank's customer service line or log into your online banking portal — many banks display this information in your account settings.

Key Takeaways

  • Your bank sets your overdraft limit based on your account history, income, and relationship with them — not on a federal standard.
  • Overdraft limits typically range from a few hundred dollars to several thousand, depending on the bank and your account.
  • You can find your overdraft limit by calling your bank or checking your online account settings.
  • Going over your overdraft limit usually results in a declined transaction rather than an overdraft fee, since the bank will not lend you more than they have decided to allow.
  • Some banks offer overdraft protection through a linked savings account or credit line, which can increase the amount you can borrow.

How banks calculate your overdraft limit

Banks use a formula that weighs several pieces of information about you. The length of your account matters — a five-year customer looks less risky than someone who opened an account last month. Your deposit history also counts: if you regularly deposit paychecks and maintain a positive balance most of the time, the bank sees you as more likely to repay an overdraft. Your income level influences the decision too, since someone earning $50,000 a year can typically repay a larger overdraft than someone earning $20,000.

Your past behavior with overdrafts is one of the strongest signals. If you have never overdrafted before, or if you overdraft occasionally but repay quickly, your limit may be higher. If you frequently overdraft and take weeks to bring your balance positive again, the bank may lower your limit or remove overdraft protection entirely. Some banks also look at whether you have other products with them — a credit card, savings account, or loan — since customers with multiple relationships tend to have higher limits.

Banks do not publish the exact formula they use, so you cannot calculate your limit in advance. Different banks weight these factors differently. One bank might prioritize your income; another might focus on how long you have been a customer.

What happens when you exceed your overdraft limit

If you try to make a transaction that would push you beyond your overdraft limit, the transaction will be declined. Your debit card will not work, your check will bounce, or your online bill payment will fail. You will not be charged an overdraft fee for this declined transaction because the bank is protecting itself by refusing to lend you money beyond what they have decided to allow.

This is different from overdrafting within your limit. When you go negative but stay within your limit, the bank allows the transaction and charges you an overdraft fee (usually $25 to $35 per transaction). When you exceed your limit, the bank stops you before you can go that far.

A declined transaction can be embarrassing — your card might be rejected at a checkout counter, or a bill payment might fail and be reported late. But from a financial perspective, it is the bank's way of preventing you from owing more than you can realistically repay.

Overdraft protection and linked accounts

Some banks offer overdraft protection, which is a way to increase the amount you can borrow. The most common form links your checking account to a savings account, money market account, or credit line. If you overdraft, the bank automatically transfers money from the linked account to cover the shortfall, rather than charging an overdraft fee.

If you link a savings account, the bank will transfer your own money, so there is no fee and no interest charge. If you link a credit line, the bank is lending you money at a credit card interest rate, which is typically higher than a savings account transfer but lower than an overdraft fee. Some banks charge a small fee for each transfer, even from a savings account, while others do it for free.

Overdraft protection does not change your overdraft limit — it changes what happens when you hit it. Instead of a declined transaction, you get a transfer. This can prevent embarrassment and late payments, but it also means you might not notice you are spending more than you have, since the transfer happens automatically.

The difference between overdraft limits and overdraft fees

Your overdraft limit is the maximum amount you can owe the bank. Your overdraft fee is what the bank charges you for going negative. These are two separate things, and understanding the difference matters.

Say your overdraft limit is $500. You can go negative up to $500 without the bank declining your transaction. But each time you overdraft, the bank charges you a fee — often $25 to $35 per transaction. If you overdraft five times in a month, you might owe $125 to $175 in fees alone, on top of the negative balance itself.

The fee is what makes overdrafting expensive. The limit is just the boundary the bank has set. You could have a $1,000 overdraft limit but still want to avoid overdrafting because of the fees, not because you have hit the limit.

How to find out your specific overdraft limit

The fastest way is to log into your online banking account. Most banks display your overdraft limit in the account details or settings section, often labeled as "overdraft protection limit" or "overdraft line." If you cannot find it online, call your bank's customer service number on the back of your debit card.

When you call, tell the representative you want to know your current overdraft limit. They can tell you the exact amount in less than a minute. This is useful information to have, especially if you are living paycheck to paycheck and want to know how much of a cushion you have if an unexpected expense comes up.

If your bank does not offer overdraft protection at all, the representative will tell you that too. Some banks, particularly online-only banks and credit unions, have policies against overdrafts. In those cases, transactions that would take you negative are straightforward declined.

Requesting a higher overdraft limit

You can ask your bank to increase your overdraft limit, but there is no may provide they will agree. Banks are more likely to raise your limit if you have been a customer for a while, maintain a healthy balance most of the time, and have a history of repaying overdrafts quickly.

Call your bank and ask to speak with someone in the accounts department. Explain that you would like to request a higher overdraft limit and ask what factors they consider when making that decision. Some banks will increase your limit on the spot; others will review your account and get back to you in a few days.

If your bank declines your request, you have other options. You could open a savings account at the same bank and link it for overdraft protection, which effectively gives you access to more money without increasing your overdraft limit. Or you could look for a different bank with a higher limit, though this means starting over with a new account history.

Frequently Asked Questions

Can I overdraft my account if I do not have overdraft protection?

No. If your bank does not offer overdraft protection, transactions that would take your balance negative will straightforward be declined. Your debit card will not work, checks will bounce, and bill payments will fail. You will not be charged an overdraft fee because the bank is not allowing you to go negative in the first place.

What is the average overdraft limit?

Overdraft limits vary widely by bank and by individual account. A typical range is $100 to $1,000, but this depends on your bank's policies and your account history. Some banks offer limits as low as $50; others go higher than $1,000. The only way to know your limit is to check with your specific bank.

Does overdrafting hurt my credit score?

Overdrafting itself does not directly hurt your credit score because overdraft activity is not reported to credit bureaus. However, if you overdraft and do not repay the negative balance, your bank may close your account and report you to ChexSystems, a banking history database that other banks use when deciding whether to open accounts for you.

Can I opt out of overdraft protection?

Yes. You can call your bank and ask them to disable overdraft protection on your account. After that, transactions that would take you negative will be declined instead. This prevents overdraft fees but also means your card might be rejected at checkout if you do not have enough money in your account.

What happens if I owe my bank money from an overdraft?

Your bank will keep the negative balance on your account and charge you overdraft fees each time you overdraft further. Eventually, if the balance stays negative for long enough (usually 30 to 60 days), the bank may close your account and send the debt to a collection agency. At that point, the debt can affect your credit and your ability to open accounts at other banks.