Credit Card Interest Calculator
See how long it takes to pay off a credit card balance and how much interest it costs.
Months to payoff
52
Total interest
2,798.05
Total paid
7,798.05
How to use
Enter the values that match your situation. Results update instantly as you type.
Tips
- Always add a small buffer for waste, leftover, or mistakes.
- Check the manufacturer's coverage rate or rating before buying.
- Round up — it's easier to have a little extra than to come up short.
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Frequently asked
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Last updated: 2026