Credit Card Payoff Calculator

Find out how long it takes to pay off your credit card and how much interest you'll save.

Ad · Responsive

How Credit Card Interest Works

Credit card debt is one of the most expensive forms of consumer debt, with average APRs exceeding 20%. Unlike installment loans with fixed payment schedules, credit cards use revolving credit — interest compounds daily on your outstanding balance, and minimum payments are designed to keep you in debt as long as possible. Understanding how credit card interest compounds and the true cost of minimum payments is the first step toward becoming debt-free. Even a small increase in your monthly payment above the minimum can save thousands of dollars and years of payments.

Credit Card Interest Formula

Daily interest charge: Balance × (APR / 365). Your monthly interest is approximatelyBalance × APR / 12. For a $5,000 balance at 19.99% APR, monthly interest is about$83.29 — meaning most of a $100 minimum payment goes to interest.

Worked Example

$5,000 balance at 19.99% APR:

  • Minimum payments only (2% or $25): 30+ years to pay off, $9,117 total interest
  • Paying $200/month: 2 years, 7 months, $1,377 total interest
  • Interest saved by paying $200 vs minimum: $7,740
  • Time saved: 27+ years of payments eliminated

Key Credit Card Terms

APR (Annual Percentage Rate)
The yearly interest rate on your balance. Credit cards typically range from 15% to 29% APR.
Minimum Payment
Usually 2% of your balance or $25 (whichever is greater). Designed to keep you paying for decades.
Debt Avalanche Method
Pay off highest-interest debt first while making minimums on everything else. Saves the most money.
Debt Snowball Method
Pay off smallest balances first for psychological wins. Less optimal mathematically but more motivating for some people.
Credit Utilization Ratio
Your balance divided by your credit limit. Keep below 30% (ideally under 10%) for a healthy credit score.

Debt Payoff Strategies

  • Pay more than the minimum: Even an extra $50/month can save thousands and cut years off your payoff
  • Try a balance transfer: Move debt to a 0% intro APR card and pay it off before the promo ends
  • Use the avalanche method: Target highest-APR cards first for maximum interest savings
  • Automate payments: Avoid late fees ($35+) and penalty APR increases (29.99%)
  • Stop adding new charges: Use cash or debit while paying down existing balances

Frequently Asked Questions

How is credit card interest calculated?

Credit card interest is calculated daily using your APR divided by 365 (the daily periodic rate). Each day, the daily rate is applied to your current balance. For a $5,000 balance at 19.99% APR: daily rate = 0.0548%, which means about $2.74 in interest per day or roughly $83.29 per month. This is why even small increases in APR significantly impact your total cost.

What is the debt avalanche method?

The debt avalanche method prioritizes paying off debts with the highest interest rates first while making minimum payments on all other debts. Once the highest-rate debt is paid off, you redirect those payments to the next-highest. This method saves the most money in total interest compared to other strategies.

What is a balance transfer and is it worth it?

A balance transfer moves your high-interest credit card debt to a card offering 0% introductory APR (typically 12-21 months). Most charge a 3-5% transfer fee. It is worth it if: the savings from 0% interest exceed the transfer fee, and you can pay off the full balance before the promo period ends. Remaining balances after the intro period often jump to 20%+ APR.

Why is paying only the minimum so expensive?

Minimum payments (typically 2% of balance or $25) barely cover interest charges, meaning most of your payment goes to interest rather than reducing principal. A $5,000 balance at 19.99% APR with minimum payments takes over 30 years to pay off and costs over $9,000 in interest — nearly doubling the original debt.

How does credit card debt affect my credit score?

Credit utilization (balance ÷ credit limit) is the second most important factor in your credit score, accounting for 30%. Keeping utilization below 30% is recommended, but under 10% is ideal. A $3,000 balance on a $10,000 limit gives 30% utilization. Paying down balances is one of the fastest ways to improve your score.