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Credit card interest calculator
Work out how much interest you may pay on a credit card balance, based on your interest rate and monthly payments.
Why use our interest calculator
If you’re paying interest on a credit card balance, you might like to calculate:
Work out your credit card interest
Just be aware this calculator provides an illustration only. Your actual borrowing costs can vary, depending on how you use and manage your credit card over time.
This calculator is a guide only, calculated using approximate minimum payment rates that may vary by product or lender. We assume your interest rates always stay the same, and interest and payments are processed at the same time each month.
See our range of help guides
After using our credit card interest calculator, you might be wondering how you can cut your costs. If you’re paying interest and you don’t have the option to transfer your credit card balance, try to repay as much as you can afford each month.
Budget better, repay more
See our budgeting guides, helping you to make the most of your money.
Understanding and minimising costs
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