How to Use the Credit Card Payoff & Interest Calculator
-
1
Enter Current Credit Card Balance.
-
2
Enter Annual Percentage Rate (APR %).
-
3
Choose payoff strategy: "Fixed Monthly Payment" or "Desired Target Payoff Months".
-
4
Inspect months to clear debt, total interest paid, and comparison against minimum payment trap.
Practical Example & Use Case
Discovering that paying $200/month instead of the $75 minimum on a $3,500 balance at 21% APR saves over $2,800 in interest and 7 years of payments.
Technical Notes & Limitations
Calculates standard revolving debt compounding assuming no additional charges are placed on the card.
Frequently Asked Questions
Why do minimum payments take so long?
Minimum payments (often 2-3% of balance) mostly service accrued monthly interest, leaving very little to reduce the principal balance.