How Credit Card Interest Builds

A credit card may advertise one annual percentage rate, send one monthly statement, and calculate interest every day. Those three clocks can make the bill feel harder to understand than it is. The key is to follow the balance one day at a time, then see how the card combines those days. Inside this episode: - Apr Is An Annual Label - The Balance Changes Daily - A Small Illustration - Compounding - The Grace Period Sources include the references linked below. Sources and further reading: - [CFPB, How credit card companies calculate interest](https://www.consumerfinance.gov/ask-cfpb/how-does-my-credit-card-company-calculate-the-amount-of-interest-i-owe-en-51/) - [CFPB, Credit cards](https://www.consumerfinance.gov/consumer-tools/credit-cards/) This episode provides general financial education, not personal financial, investment, tax, legal, credit, or insurance advice. Products, rules, and individual circumstances vary. Follow Money Mechanics for more plain-language explanations of everyday finance.