Why Credit Card Debt Grows So Fast
Credit cards typically charge 18%–26% APR — among the highest interest rates of any consumer debt. Paying only the minimum each month can keep you in debt for over a decade, paying more in interest than you originally borrowed.
Example: $5,000 balance at 20% APR, paying only the minimum (~2%):
- Time to pay off: over 10 years
- Total interest paid: ~$4,600 (nearly 92% of the original balance)
Paying a fixed $150/month instead: paid off in 4 years, total interest drops to ~$1,900.
Create Your Payoff Plan
Use tool.tl's credit card payoff calculator. Enter:
- Current balance
- APR (Annual Percentage Rate)
- Monthly payment amount (or target payoff date)
The calculator shows: months to pay off, total interest cost, and a month-by-month payment breakdown.
Multiple Cards: Avalanche vs Snowball
| Strategy | Method | Pro | Con |
| Avalanche | Pay highest-rate card first | Saves the most interest — mathematically optimal | Slower psychological wins |
| Snowball | Pay smallest balance first | Quick wins build momentum and motivation | Slightly more total interest |
Both beat minimum payments by a wide margin. The best strategy is the one you'll actually stick to.
5 Tips to Pay Off Credit Cards Faster
- Stop new charges: Avoid using the card while paying it down — otherwise the balance doesn't shrink
- Request a rate reduction: Cardholders with good credit can often negotiate a lower APR by calling the issuer
- Balance transfer: Move high-interest balances to a 0% intro APR card to pause interest during the promotional period
- Apply windfalls: Tax refunds, bonuses, and gifts go directly to the balance
- Automate payments: Set up auto-pay above the minimum to avoid late fees and protect your credit score
Frequently Asked Questions
What's the risk of only paying the minimum?
Minimum payments are typically 1–2% of the balance. Most of that goes to interest, leaving the principal nearly unchanged. The result: years of payments, total interest exceeding the original debt, and ongoing credit utilization damage to your credit score.
How is credit card interest calculated?
Cards use a daily periodic rate: APR ÷ 365. At 20% APR on a $5,000 balance, daily interest = $5,000 × 20% ÷ 365 ≈ $2.74/day. Once you carry a balance past the grace period, interest accrues from the transaction date.
Is the calculator free?
Yes — tool.tl's credit card payoff calculator is completely free, no account required.