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Credit Card Payoff Calculator UK — Clear Debt Faster

Credit Card Payoff Calculator

See how long it takes to clear your card, how much interest it costs, and how much you'd save by paying more than the minimum or moving to 0%. Free PDF plan.

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We'll also show what paying only the minimum would cost.

Get your payoff plan — free PDF

  • Payoff time and total interest at your payment
  • The minimum-payment trap, compared
  • What an extra £25 or £50 a month would save
  • Whether a 0% balance transfer is worth it

This calculator is a guide only and not financial advice. It assumes a fixed APR and no further spending on the card. Lenders' minimum-payment rules vary. If you are struggling with debt, free confidential help is available from StepChange, National Debtline and Citizens Advice.

How the credit card payoff calculator works

Credit card interest is some of the most expensive borrowing there is, and paying only the minimum each month can keep you in debt for decades. This calculator shows exactly how long it will take to clear your balance, how much interest it will cost, and how much you would save by paying a fixed amount instead of the minimum.

Enter your balance, the card’s APR and the monthly payment you can manage. You will instantly see your debt-free date, the total interest, and the eye-opening comparison with making minimum payments only. The free PDF also shows how clearing the card just a little faster — an extra £25 or £50 a month — can save hundreds in interest.

If you are paying interest, a 0% balance-transfer card could freeze it while you clear the balance, and budgeting tools like those in our Monzo review can help you stay on track. If debt feels unmanageable, free confidential help is available from StepChange, National Debtline and Citizens Advice.

Frequently asked questions

How long will it take to pay off my credit card?
It depends on your balance, APR and monthly payment. Enter those three and the calculator shows the exact number of months and total interest, plus how much faster you would clear it by paying more.
Why is paying only the minimum so expensive?
Minimum payments are typically about 1% of the balance plus interest, so they fall as the balance falls. That stretches repayment over many years and can more than double the interest you pay. Paying a fixed amount clears the debt far faster.
Should I use a 0% balance transfer card?
A 0% balance transfer freezes interest for a set period, so every payment reduces the balance. It usually carries a one-off transfer fee, but can save a lot if you clear the balance before the 0% period ends.
Is it better to overpay my card or save?
If your card’s APR is higher than the interest you could earn on savings — which it almost always is — clearing the card first gives you a guaranteed, tax-free return equal to the APR. Keep a small emergency buffer, then overpay the debt.
Where can I get help if I am struggling with debt?
Free, confidential and impartial debt advice is available in the UK from StepChange, National Debtline and Citizens Advice. They can help you build a realistic repayment plan — you do not need to pay a commercial debt company.
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