See how long to pay off your balance, how much interest you'll pay, and compare payment strategies — from minimum only to paying extra each month.
| Strategy | Monthly Payment | Months to Pay Off | Total Interest | Interest Saved | Months Saved |
|---|
Pay minimums on all cards. Put every extra dollar toward the card with the highest APR first. Once it's paid off, roll that payment to the next highest rate.
Best for: Minimizing total interest paid. Mathematically optimal. Can save hundreds to thousands over snowball.
Pay minimums on all cards. Put every extra dollar toward the card with the smallest balance first. Once paid off, roll that payment to the next smallest balance.
Best for: Motivation and momentum. Research shows more people successfully complete debt payoff using this method.
Both strategies work. The best strategy is the one you actually stick to. The difference in total interest between avalanche and snowball is often small — the bigger factor is whether you maintain the discipline to follow through.
Making only minimum payments on credit card debt takes an extremely long time. A $5,000 balance at 22% APR with a minimum payment of 2% of balance (or $25, whichever is higher) would take approximately 30 years to pay off and cost over $7,000 in interest — more than the original balance. This is because minimum payments barely cover the monthly interest charge, so principal barely reduces each month. The minimum payment strategy is specifically designed by credit card companies to maximize interest income over the longest possible period.
The debt avalanche method prioritizes paying off your highest interest rate card first while making minimum payments on all others. Once the highest-rate card is paid off, you roll that payment to the next highest-rate card. This is mathematically optimal — it minimizes total interest paid over the life of all your debts. For example, with cards at 24.99% and 18.99%, you focus all extra payments on the 24.99% card first. The avalanche method saves more money than the snowball method but may take longer to eliminate your first card, which some people find motivationally challenging.
The debt snowball method pays off your smallest balance first, regardless of interest rate, then rolls that payment to the next smallest balance. Research by behavioral finance scholars, including work published in the Journal of Consumer Research, shows that the snowball method leads to better payoff completion rates for many people because the quick wins of eliminating small debts provide psychological momentum that keeps people motivated. The cost difference between snowball and avalanche is often small on total interest — sometimes only a few hundred dollars — while the behavioral benefit can be significant if it keeps you committed to the plan.
The savings from paying an extra $100/month vary significantly based on balance and APR. On a $3,000 balance at 22% APR with a $90 minimum payment: paying the minimum takes about 44 months and costs $1,230 in interest. Adding $100/month ($190 total) pays it off in 18 months — saving 26 months and $816 in interest. On a larger $10,000 balance at 22% with a $200 minimum: adding $100/month ($300 total) reduces payoff from about 94 months to 43 months, saving over $5,000 in interest. Higher APR and larger balances amplify the impact of extra payments dramatically.
The mathematical answer is straightforward: if your credit card APR is higher than your expected investment return, pay off the card first. Credit cards typically charge 18-29% APR, while the long-term stock market return averages around 10% nominal (7% real). Paying off a 22% APR card earns a guaranteed 22% risk-free return on that payment — no investment consistently beats that. A reasonable exception: if your employer offers 401(k) matching, capture the full match first (it's a 50-100% instant return), then aggressively pay down high-rate debt. Low-rate debt (under 6-7%) is the only scenario where investing instead might make sense.
As of 2026, the average credit card APR in the United States is approximately 21-24% according to Federal Reserve data. Rewards cards and premium cards often carry higher APRs of 24-29.99%. Store-branded credit cards frequently charge 26-32% APR. Cards marketed to people with fair or rebuilding credit may charge up to 36% APR (the effective regulatory maximum for most consumer cards). The Federal Reserve's prime rate and federal funds rate influence credit card rates, but credit card APRs typically adjust slowly and remain elevated even when benchmark rates fall. Always check the current APR on your card — it can be found on your monthly statement or in your card agreement.
Paying more than the minimum payment generally improves your credit score in two ways. First, it reduces your credit utilization ratio (the percentage of available credit you're using), which accounts for approximately 30% of your FICO score. Utilization below 30% is considered good; below 10% is excellent. Second, it demonstrates strong payment history by consistently meeting obligations. Reducing a $5,000 balance on a card with a $7,000 limit from 71% utilization down to 20% ($1,400 balance) could improve your credit score by 50-100 points for most people, which can lower rates on future loans.