Credit Card Payoff Calculator UK
This credit card payoff calculator helps you estimate how long it could take to repay your balance, how much interest you may pay overall, and how changes to your monthly payment can affect the result. It is useful for anyone comparing repayment plans, checking the impact of a 0% deal, or trying to clear card debt faster.
Whether you want to work out your payoff date from a fixed monthly payment or find the payment needed to clear your card within a target timeframe, this calculator gives you a practical estimate based on the details you enter.
What this calculator includes
- Fixed monthly payment mode
- Target payoff timeframe mode
- Minimum payment vs higher payment comparison
- Optional promotional APR period
- Optional ongoing monthly card spending
- Optional one-off payment in a chosen month
- Estimated total interest and payoff time
- Repayment breakdown grouped by year
How it works
The calculator uses your starting balance, APR, repayment settings, and any extra assumptions such as promotional rates or additional spending to model how the debt changes over time. Interest is added as the balance remains outstanding, and each payment reduces the balance after interest is applied.
If you choose a target payoff period, the calculator estimates the monthly payment needed to clear the balance within that timeframe. If you compare minimum payments against a higher payment, it shows how paying more can reduce both the payoff time and total interest.
Example calculation
If you have a £3,000 credit card balance at 24.9% APR and pay £100 per month, it may take several years to clear the balance, and the total interest paid can be substantial.
- A higher monthly payment usually reduces the payoff time significantly
- Paying only the minimum often increases the total interest paid
- Promotional 0% periods can reduce interest temporarily, but the standard APR still matters afterwards
Why your results may vary
- Credit card providers may calculate interest daily rather than monthly
- Minimum payment rules vary by lender and product
- Statement dates and payment dates affect real-world interest charges
- Fees, missed payments, or additional purchases can increase the balance
- Promotional offers may end earlier if conditions are not met
Who it’s for
- People planning how to clear credit card debt faster
- Anyone comparing minimum payments against higher repayments
- Cardholders checking the effect of a 0% promotional period
- Users building a realistic debt repayment plan
Important note
This calculator provides estimates only. Real credit card providers may calculate interest differently, apply different minimum payment formulas, and include fees or charges not reflected here. Always check your credit agreement and provider terms before making financial decisions.
Use the calculator above to estimate your payoff time, compare repayment strategies, and see how increasing your monthly payment could reduce interest.