Late fees and penalty interest rates

Resources · Cards, loans and credit · 5 min read Building

Key points

• A late fee is a one-off charge when the minimum payment arrives after the due date.
• A penalty rate is a higher interest rate that some cards apply after late or missed payments.
• The fee lands on your balance and collects interest like everything else.
• A penalty rate usually costs far more than the fee, because it hits the whole balance.

A credit card late fee is a flat charge added to your balance when at least the minimum payment hasn’t arrived by the due date. Some cards go further. They switch your balance to a higher penalty interest rate, and that can cost you much more than the fee ever will.

Both are set out in your card’s terms. Both vary a lot between cards and countries.

How a credit card late fee works

The trigger is usually simple. The minimum payment didn’t arrive in full by the due date.

What catches people out is the detail. Paying part of the minimum may still count as late. Timing matters too, because payments can take a day or more to arrive and the due date may have a cut-off time. And the fee goes straight onto your balance, so if you carry a balance, you pay interest on the fee as well.

Here’s how a small fee grows. Picture a single $40 late fee sitting on a card that charges 29.99% a year, with interest added monthly at 29.99% ÷ 12 and nothing paid off that $40 for 12 months. It grows to $53.79. The same maths works in any currency.

The rules on how big a late fee can be, and when it can be charged, can differ between countries and card types.

What a penalty interest rate is

Some cards carry a penalty rate, sometimes called a default rate. It’s higher than the normal purchase rate. A late payment can set it off, and so can a missed payment, a returned payment or going over your limit.

How it behaves depends on the card. Some cards don’t have one at all. On others, it might cover new purchases only, or your whole balance. It could last a set number of months, or until you’ve made a run of on-time payments.

Your card’s terms say whether a penalty rate exists, what triggers it and how it ends. Your statement usually shows the rate you’re being charged. So if your interest suddenly jumps, look there first.

A worked example: penalty rate vs normal rate

Here’s the same balance at a normal rate and at a penalty rate. The rates are illustrative.

Assumptions:

• Balance: $4,000
• Normal APR: 20%. Penalty APR: 29.99%
• Monthly rate = APR ÷ 12, interest added before each payment
• Payment: $150 a month, no new spending, no further fees
• The last payment is whatever clears the balance

Same $150 a month. At the penalty rate it takes nine months longer, and the interest roughly doubles.

Even a temporary penalty rate bites. Say the 29.99% rate applied for the first six months, then dropped back to 20%. The card would take 38 months to clear, with total interest of $1,671.96. That’s $337.58 more than if the normal rate had applied the whole way through.

Now put that next to the late fee. A $40 fee stings. A penalty rate on a $4,000 balance can cost several hundred dollars.

Other knock-on effects

A late payment can do more damage than the fee and the rate. It can end an interest-free period on purchases, so new spending attracts interest from day one. It can cut a promotional rate short, such as on a balance transfer. And depending on how late it is and where you live, it may end up on your credit report.

Our guide to what happens if you miss a payment goes through these in more detail.

Ways to avoid a credit card late fee

Most late fees come from a busy month, not a lack of money. A little setup fixes that:

• Automatic payments for at least the minimum. If you like to pay manually so you control the timing, set an automatic minimum anyway as a backstop.
• Reminders a few days before the due date.
• Paying a few days early to allow for processing time.
• A due date that suits your pay cycle, if your card lets you change it in your account settings.

But if fees are piling up because there isn’t enough money to cover the payments, that’s a different problem from forgetting a date. Free debt help is free and confidential. For the wider picture on charges, see the fees that quietly grow your debt.

Common questions

How much is a credit card late fee?

It depends on the card and the country. Your card’s terms list the exact amount, and when it’s charged it usually shows up as its own line on your statement.

Does a late fee affect my credit score?

The late payment is what can be reported, not the fee itself, though rules vary by country. A late or missed payment can affect your score if it gets reported to credit reporting agencies. When that happens varies by country and lender.

How long does a penalty rate last?

It varies. Some end after a set period or a run of on-time payments. Others can last longer. Your card’s terms spell out the rules.

Try it

Put your normal rate next to a higher one in the credit card payoff calculator and see the difference in time and interest. To see all your debts together, find your Freedom Date.

General information only, not financial advice. Your situation is your own.