✨ How much interest would you save paying your credit card's full balance?

When you check your credit card app, you usually see a few payment options: Minimum, Statement Balance, and Full Balance. A recent r/CreditCards post highlighted a painful lesson: a user who routinely paid their statement balance was suddenly hit with a £50 interest charge. Let's look at why this happens and whether paying your full current balance saves you money.

Most of the time, paying your statement balance in full by the due date avoids all interest. This preserves your grace period, meaning new purchases do not accrue interest until the following billing cycle. Enter your current app balances below to see the math in action.

The catch is that if you carried a balance from the previous month or took a cash advance, your grace period vanishes. Once it is gone, every new purchase starts charging you interest the day you make it. If you lost your grace period, paying only the statement balance leaves recent charges unpaid and compounding.

For further related reading, check out:

• Reddit