Debt · Calculator
Free Credit Card Interest Cost Calculator
What is a credit card interest cost calculator?
This free calculator helps you estimate interest if you only pay the minimum for a year.
Enter your numbers below — results update as you type. Then turn the plan into category caps in Ziko.
Estimate interest if you only pay the minimum for a year
Track the plan in Ziko — free, no bank login.
Real-life example (try this in the calculator)
Try the sample numbers with Use example.
| Line item |
Amount |
Calculator field |
| Balance ($) |
4000 |
Balance ($) |
| APR (%) |
24 |
APR (%) |
| Min payment (% of balance) |
2 |
Min payment (% of balance) |
| Months to simulate |
12 |
Months to simulate |
Results update instantly from your inputs.
Adjust any field to match your situation.
How to read your results
- Main result — Primary output for planning.
- Secondary — Supporting figure for context.
Ready to use this in a real month? Create a free Ziko account.
Quick questions
It is an estimate for planning. Use your real pay stubs and statements for final numbers.
No — try the calculator free. Create a Ziko account when you want ongoing tracking.
Yes. Set matching category caps in Ziko and review weekly.
Turn this into a real monthly plan.
Set income, caps, and alerts in Ziko — free, no bank login.
Create Free Account →