You are in the site Personal Business Log in Register Search Open Menu Understanding interest Want to know more about how interest works? You’re in the right place. Simple and compound interest Your Barclaycard statement shows your simple rate next to your compound rate. It’s important to understand how compound interest works – the longer it takes to clear your balance, the more you’ll pay in compound interest. Find out more about how simple and compound interest works. Bank of England Base Rate Your standard and cash interest rates move in line with the Bank of England Base Rate. Your promotional balances are not affected by these changes. Find out how a change in the Base Rate could affect you Our Repayment Calculator helps you pay us less in interest The longer you take to pay off your balance, the more interest you’ll end up paying. Just by paying a little more each month, you could clear your balance sooner than you think, and pay less in interest. Enter your current details into our Repayment Calculator and see the difference a few pounds extra can make. Repayment Calculator Interest calculator To see how a change in the Bank of England Base Rate could affect you, try our Interest calculator. The calculator is just a guide – it doesn’t take into account all the things that affect your payments – but it does help to give an idea of what a Base Rate change could mean to your monthly minimum payments and interest. Find out what a change in the Base Rate could mean for you Help and advice Understanding interest Bank of England Base Rate and how it affects you Your interest rates and balances Your cash interest rates and fees How interest is charged on your account An example of compound interest Fees Interest Calculator UK Cards factsheet about interest rate changes Frequently asked questions Find a Barclaycard Eligibility checker Find the right Barclaycard for you Cards for building your credit history Cards for balance transfers Cards for earning rewards Cards for purchases Tools and calculators Balance transfer calculator Repayment calculator Interest calculator Fraud fighter Credit builder Help and support Why get a credit card? Understanding interest Money worries Fraud protection FAQs Contact us We've fewer colleagues to speak to you in our contact centres at the moment, which is having an impact on call wait times - we're truly sorry about this. If you need to get in touch, please visit our contact us page. Download the Barclaycard app Barclaycard is a trading name of Barclays Bank UK PLC. Barclays Bank UK PLC is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority (Financial Services Register number: 759676). Registered in England number 9740322. Registered office: 1 Churchill Place, London E14 5HP Barclays Bank UK PLC adheres to The Standards of Lending Practice which are monitored and enforced by the Lending Standards Board. © Barclaycard 2021 Cookies We would like to collect data from your device while you use this website. We do this using cookies. You can find out more in our cookie policy. Collecting this data helps us provide the best experience for you, keeps your account secure, helps us provide social media features and allows us to personalise advert and service message content. Please select 'Accept all' to consent to us collecting your data in this way. To see other data collection options, select 'Preferences'. Preferences Accept All