Interest Formula:
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This calculator estimates the interest charged on a credit card balance using a 7.25% annual interest rate. It calculates interest based on the average daily balance and the number of days in the billing cycle.
The calculator uses the interest formula:
Where:
Explanation: The formula calculates daily interest by dividing the annual rate by 365, then multiplies by the average daily balance and number of days to get the total interest for the billing period.
Details: Understanding credit card interest charges helps consumers manage debt, make informed financial decisions, and avoid unnecessary interest expenses.
Tips: Enter the average daily balance in currency units and the number of days in the billing cycle. Both values must be positive numbers.
Q1: What is average daily balance?
A: The sum of each day's balance divided by the number of days in the billing cycle.
Q2: Why divide by 365?
A: This converts the annual interest rate to a daily rate for more precise calculation.
Q3: Is 7.25% a typical credit card interest rate?
A: This represents a relatively low credit card rate. Actual rates vary by card and creditworthiness.
Q4: How can I reduce credit card interest?
A: Paying balances in full each month, making payments on time, and maintaining a lower balance can help reduce interest charges.
Q5: Does this calculator account for compound interest?
A: This calculates simple interest. Actual credit card interest may compound daily.