Credit Card Payoff Calculator 2026-27
About to start a new job, or just want to know what you actually take home.
Calculate exactly how long to pay off your credit card in United Kingdom. Enter your balance, APR, and monthly payment. See months to debt-free, total interest, and how much extra payments save.
Stop using the card while paying it off for best results.
How UK credit card interest is calculated
Credit card interest in the UK compounds daily on unpaid balances. Understanding exactly how APR works — and the trap of minimum payments — is the first step to paying off card debt efficiently.
Daily interest accrual and compounding
Daily Rate = APR ÷ 365. Each day's unpaid balance accrues interest, and that interest is added to the next day's balance — so interest compounds on interest. At 24% APR on £3,000: daily interest = £1.97. Over a month, that's approximately £60 in interest even before any purchases.
Purchase APR vs cash APR vs balance transfer APR
UK credit cards typically charge different APRs by transaction type. Purchase APR (typically 19-29%) applies to everyday spending. Cash advance APR (25-40%) applies to ATM withdrawals — and there's no grace period, interest starts immediately. Balance transfer APR is often 0% for 12-30 months with a 1-3% transfer fee.
The 56-day interest-free window
Pay your statement balance in full each month by the due date and UK credit cards charge no interest on purchases — a grace period of up to 56 days (statement cycle + payment window). Pay anything less than the full statement balance and interest is charged on the full amount, backdated to purchase dates.
How minimum payments are calculated
UK minimum payment rules: typically the higher of 2.5-5% of balance, or £5, or the interest + 1% of principal. Under FCA rules since 2018, cards must warn users if they've been in persistent debt (paying mainly interest for 18 months).
The minimum payment trap on UK credit cards
Paying only the minimum amount each month can turn a £3,000 debt into over a decade of payments. Understanding exactly how much longer — and costlier — minimum payments make debt is critical.
Worked example: £3,000 at 24% APR
| Monthly payment | Time to pay off | Total interest |
|---|---|---|
| Minimum (2.5%, dropping) | ~25 years | ~£5,300 |
| £75 fixed | ~15 years | £4,500 |
| £150 fixed | 2 years 2 months | £690 |
| £300 fixed | 11 months | £340 |
Persistent debt rules (FCA intervention)
Since 2018, if you've paid more in interest and charges than principal over 18 months, your card issuer must contact you with a payment plan. After 36 months of persistent debt, they must offer a 3-4 year repayment plan. Ignoring persistent debt letters can result in cards being suspended.
Why the minimum drops as you pay
Percentage-based minimums decrease as balance decreases. A £3,000 balance at 2.5% minimum = £75. After paying £500, balance is £2,500 + interest = min ~£65. The descending minimum extends payoff time even further — this is why fixed monthly payments dramatically outperform minimums.
UK credit card debt payoff strategies compared
0% balance transfer cards
Transfer high-APR balance to a 0% card for up to 30 months (typical UK market). Transfer fees 1-3% of balance. £5,000 at 24% saves ~£1,200/year in interest. Requires good credit (700+). Key rule: never spend on the transfer card (spending often kills the 0% rate on the transferred balance) and plan to clear debt before 0% ends.
Debt avalanche (highest APR first)
List debts by APR, highest first. Pay minimums on all, direct extra payments to highest-APR debt. Minimises total interest paid. Mathematically optimal. Example: 3 cards at 24%, 19%, and 16% — extra payments to the 24% card first.
Debt snowball (smallest balance first)
List debts by balance, smallest first. Quick wins build motivation. Costs slightly more interest than avalanche but has higher completion rates in studies. Best for people who need psychological momentum.
Debt consolidation loan
Personal loan at 8-12% APR replaces multiple cards at 20-29%. Fixed monthly payment, fixed payoff date. Requires good credit (typically 700+). Risk: freed-up credit cards can lead to re-accumulation of debt if spending habits don't change.
IVA or bankruptcy (last resort)
For unmanageable debt, UK options include Individual Voluntary Arrangements (IVA) — 5-6 year formal plan that writes off remaining debt — or bankruptcy (typically 12 months). Both severely impact credit score for 6+ years. Get free advice from StepChange, National Debtline, or Citizens Advice first.
How APR affects credit card payoff time
£5,000 balance paid at £200/month
| APR | Time to pay off | Total interest |
|---|---|---|
| 0% (balance transfer) | 25 months | £0 |
| 9.9% (low-rate card) | 28 months | £620 |
| 19.9% (standard purchase) | 31 months | £1,380 |
| 24.9% (standard) | 34 months | £1,950 |
| 29.9% (higher risk) | 39 months | £2,730 |
Why APR matters more than balance
A £5,000 debt at 9.9% is cheaper to clear than £3,500 at 29.9% (if both paid at £100/month). Always prioritise clearing the highest-APR debt first, regardless of balance.
FAQFrequently asked questions about credit card payoff
Should I do a balance transfer to pay off my card?
Yes, if you have good credit. 0% balance transfers for 20-30 months can save hundreds or thousands in interest. Factor in the 1-3% transfer fee. Rule: don't use the new card for purchases, and aim to clear the full balance before 0% expires.
How does the debt avalanche method work?
List debts by APR (highest first). Pay minimums on all, direct extra money to the highest-rate debt. Once paid, roll that payment onto the next highest. Minimises total interest. Debt snowball (smallest balance first) costs more but has better psychological momentum.
Can I negotiate down credit card interest?
Sometimes. Phone your issuer, explain you're struggling, and ask for a lower rate or hardship plan. UK issuers have obligations under FCA rules to help customers in financial difficulty. Cancelling cards you don't need also improves your credit score long-term.
What happens if I only pay the minimum?
Under FCA rules, if you're paying mainly interest for 18+ months your issuer must contact you about persistent debt. After 36 months, they must offer a 3-4 year payment plan. Minimum payments are structured to maximise interest revenue — they're not a pathway out of debt.
Does paying off credit cards improve my credit score?
Yes, but not immediately. Credit utilisation (balance vs limit) has significant weight. Keeping utilisation below 30% of total available credit boosts score. Fully paying a card and keeping it open with £0 balance is better for credit score than closing it.
Is it better to pay off credit cards or save for emergencies?
Generally, pay off high-APR debt first — paying 24% guaranteed beats any savings account return. However, maintain a small emergency fund (£500-1,000) first to avoid building new credit card debt when unexpected expenses hit.
Where these figures come from
Debt and credit figures on this page come from the Financial Conduct Authority (consumer credit rules), The Bank of England (rate data), and MoneyHelper — the UK's government-backed money-guidance service operated by the Money and Pensions Service (MaPS).
- Consumer credit rules — FCA — Consumer credit.
- Bank Rate (affects variable-rate debt) — Bank of England — Bank Rate.
- Debt help & free advice — MoneyHelper — Dealing with debt.
- Student loan repayment — GOV.UK — Repaying your student loan.
Last checked: April 2026. Rates and thresholds are reviewed against the source of record each November, when annual adjustments for the following tax year are published.
Select the question that matches where you are right now.
Your result shows the repayment schedule, total interest cost, and payoff timeline based on the loan or debt details you entered.
Use this to compare repayment strategies — extra repayments, higher frequency payments, or refinancing at a lower rate. See which approach saves the most interest.
Not a loan offer or approval. Actual loan terms depend on the lender's credit assessment, fees, and the specific product you choose.
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Debt repayment outcomes are driven by the interest rate, repayment amount, and loan term. Even small changes to any of these can materially shift the total cost and payoff date.
A 0.5% rate reduction on £30,000 of debt saves hundreds in interest over the life of the loan. Refinancing or negotiating a better rate is often the highest-impact move.
Even £50/month extra on a £20,000 loan can cut months off the term and save significant interest. The earlier you make extra payments, the greater the compounding benefit.
Switching from monthly to fortnightly effectively makes 13 monthly payments per year instead of 12 — reducing the term and total interest without increasing your per-pay amount.
To pay off debt faster, focus on the highest-rate debt first, increase repayment frequency, and avoid taking on new debt while paying down existing balances.
Pay minimums on all debts, then direct every extra dollar to the highest-rate debt. This minimises total interest paid across all your debts.
Moving a credit card balance to a lower-rate personal loan, or refinancing a car loan, can reduce the rate and accelerate payoff.
Reducing your card limit prevents re-borrowing what you've paid off — and improves your borrowing capacity for future applications.
Debt management connects to budgeting, savings, and credit decisions. Use these calculators to plan your next move.