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COMING SOON: We’re introducing a new look for Citadel’s brand!

Over the next few weeks, you may see some changes on our website, as well as Online and Mobile Banking. As a valued member, we'll keep you informed as we start rolling out changes.   Learn More

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How is interest on credit cards calculated?

Frequently Asked Question

To calculate the interest on credit cards, divide your APR by 365. Then multiply the balance by this number to determine interest charges.