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 →