AI Financial Assistant
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About This Calculator
Credit card interest compounds on the remaining balance each billing cycle, which means minimum payments can stretch repayment over decades and multiply the original charges. This calculator reveals how long it will take to pay off a balance and how much total interest you'll pay at various monthly payment amounts. It's a powerful motivator for increasing payments beyond the minimum to escape the revolving debt cycle.
Quick Tips
- 1 Paying only minimums on $5,000 at 20% APR takes over 25 years to clear.
- 2 The avalanche method — highest rate first — saves the most in interest.
- 3 Balance transfer cards with 0% APR only help if you pay off before it expires.
Example Calculation
$6,200 balance at 19.99% APR paying only the 2% minimum ($25 min).
Payoff time: 30 years 2 months | Total interest: $12,685 | At $200/month: payoff in 39 months
The True Cost of Credit Card Debt
Credit card interest compounds daily, making it one of the most expensive forms of debt. A $5,000 balance at 19.99% APR with $150 monthly payments takes over 3.5 years to pay off and costs approximately $1,840 in interest alone. Making only minimum payments can stretch repayment to 15+ years.
How Credit Card Interest Works
Credit card interest is calculated daily using your average daily balance. Your APR is divided by 365 to get the daily rate, which is applied to your balance each day. Interest is then charged monthly. This daily compounding means interest costs accumulate faster than with simple monthly compounding.
Minimum Payment Trap
Minimum payments are typically 1-3% of the balance or $25, whichever is greater. At this rate, a $5,000 balance at 20% APR takes over 25 years to pay off and costs over $8,000 in interest — more than the original balance. Always pay as much above the minimum as possible.
Strategies to Pay Off Credit Cards Faster
Use the debt avalanche method: pay minimums on all cards and put extra money toward the highest-rate card. Consider balance transfer cards with 0% intro APR (watch for transfer fees). Consolidate with a personal loan at a lower rate. Cut expenses temporarily and direct savings toward debt. Stop using cards while paying them off.
Frequently Asked Questions
That depends on your balance, interest rate, and monthly payment. This calculator shows the exact number of months. As a rough guide, paying $150/month on a $5,000 balance at 20% APR takes about 44 months. Doubling the payment to $300 cuts payoff time to about 19 months and saves $900 in interest.
If your payment is less than the monthly interest charge, your balance will actually grow over time. The calculator will show this scenario. You need to pay more than the monthly interest charge to make progress. Monthly interest = balance × (APR / 12).
Mathematically, paying off the highest interest rate first (debt avalanche) saves the most money. However, paying off the smallest balance first (debt snowball) provides psychological wins that help some people stay motivated. Choose the method that works best for your psychology.
A balance transfer to a 0% introductory APR card can save significant interest if you pay off the balance during the intro period (typically 12-21 months). Watch for transfer fees (usually 3-5% of the transferred amount). Make sure you can pay off the balance before the intro rate expires.
Credit utilization (balance as a percentage of credit limit) heavily impacts your credit score. Keeping utilization below 30% is recommended, and below 10% is ideal. High balances relative to limits can significantly lower your score, even if you make payments on time.