What you provide
What you provide
- Average daily balance: Average of eligible daily balances over the statement period.
- Annual card rate: Annual rate applied to the average balance.
- Billing period: Exact number of days in the statement cycle.
CREDIT CARDS / STATEMENT ESTIMATE
Credit Card Interest Calculator
Estimate one statement interest charge from an average daily balance, annual rate, and exact billing-period day count using a 365-day basis.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
The annual rate is divided by 365 to obtain a daily periodic rate, then multiplied by the average daily balance and billing days.
Calculation path
Interest = average daily balance x annual rate / 365 x billing days.
What you receive
What you receive
- Estimated statement interest
- Daily periodic rate
- Entered balance and billing-day context
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Issuers may use different day-count conventions, balance methods, transaction rates, grace periods, and compounding.
This is an educational planning estimate. Confirm lender, issuer, tax, accounting, and contractual rules with the relevant provider or qualified adviser before acting.