Cc APR Calculator
Credit Card APR Calculator works out Annual percentage rate and Amount financed from Number of payments, Payments per year and Card balance. The default figures on this page give annual percentage rate of 22.9900 %; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
3 steps
- Daily periodic rate = 22.99% / 365 = 0.0629863% per day
- Cycle interest = 2500 x 22.99/100 x 30/365 = 47.2397
- Monthly periodic rate = 22.99% / 12 = 1.915833%
Its 5 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
4 sources
Keep this result
Save it, change one figure, then compare the two
The calculation stays free. Save this scenario, adjust one assumption, save that too, and put them side by side to see exactly what the change costs you. A free account keeps 5 scenarios and 2 comparisons; Personal makes both unlimited and adds exports and private links. Nothing is saved unless you press Save.
What the Credit Card APR Calculator calculates
Computes the Regulation Z annual percentage rate from the amount financed, the payments and the prepaid finance charges - for closed-end instalment loans, credit-card balances quoted by periodic rate, and merchant cash advances quoted as a factor rate.
How to use this Credit Card APR Calculator
Enter Number of payments, Payments per year, Card balance and Card APR. Annual percentage rate updates as you type. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Annual percentage rate, Amount financed and Finance charge.
The method follows 12 CFR 1026.22 (Regulation Z) - Determination of the annual percentage rate, Appendix J to 12 CFR Part 1026 - Annual percentage rate computations for closed-end credit transactions, 12 CFR 1026.14 (Regulation Z) - Determination of the annual percentage rate for open-end credit and 12 CFR 1026.18(b) and 1026.4 (Regulation Z) - Amount financed and finance charge.
What you can compare
Change one input at a time to see how it affects Annual percentage rate, Amount financed and Finance charge. The inputs you can vary are Number of payments, Payments per year, Card balance, Card APR, Finance charge for the period and Days in the billing cycle.
Understanding Annual percentage rate, Amount financed and Finance charge
A Regulation Z-style computation on the figures you enter. The APR your lender must disclose depends on which charges are finance charges under 12 CFR 1026.4 and on the exact payment schedule; only the lender disclosure is authoritative.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
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Frequently asked questions
How much is 26.99 APR on $3000?
On the figures this page opens with, the annual percentage rate is 22.99%. No single number fits everyone: it follows Number of payments, Payments per year and Card balance, so enter your own above and the answer updates as you type.
How do you calculate APR on a credit card?
Computes the Regulation Z annual percentage rate from the amount financed, the payments and the prepaid finance charges - for closed-end instalment loans, credit-card balances quoted by periodic rate. Open “How this is worked out” beside the result to see each step for your own figures.
Is 35% APR on a credit card high?
Computes the Regulation Z annual percentage rate from the amount financed, the payments and the prepaid finance charges - for closed-end instalment loans, credit-card balances quoted by periodic rate. Put your own figures in above and the working updates beside the result. For scale, the default figures on this page give 22.9900 %.
How much interest will I pay on a $10,000 credit card?
It needs Number of payments, Payments per year, Card balance, Card APR, Finance charge for the period and Days in the billing cycle. Nothing else is required, and the figures stay in your browser.
What information do I need for the Credit Card APR Calculator?
You need Number of payments, Payments per year, Card balance, Card APR, Finance charge for the period, Days in the billing cycle and Headline figure. The page opens with default figures that give annual percentage rate of 22.9900 %, so you can see the scale before entering your own.
What does this Credit Card APR Calculator show?
It shows Annual percentage rate, Amount financed, Finance charge, Finance charge per $100 financed, Total of payments, Payment per period, Unit-period rate and Daily periodic rate, with the working and any warnings for your entries.