Why the minimum payment is designed to fail you
Credit card interest compounds against you every single day, and the minimum payment — usually 1–3% of the balance — is calibrated to keep the account alive for years, not to close it. On a $6,500 balance at 24% APR, minimum-only payments can stretch past a decade, with total interest rivaling the original debt. The calculator above shows the honest timeline for whatever payment you choose, and the fastest way to use it is to test the same balance at two or three payment levels.
Adding $100 a month to the payment above cuts years — plural — off the payoff date.Try it in the calculator
The $50 experiment
$6,500 balance at 24% APR:
| Monthly payment | Time to payoff | Total interest |
|---|---|---|
| $150 | ~7 yr 6 mo | ~$6,900 |
| $250 | ~2 yr 11 mo | ~$2,290 |
| $350 | ~1 yr 11 mo | ~$1,480 |
Between $150 and $250 a month lies the difference between seven years of interest and three. That is the highest guaranteed "return" most people will ever find: paying down a 24% APR balance is mathematically identical to earning 24% risk-free.
Avalanche vs. snowball
With multiple cards, two proven strategies exist. The avalanche: pay minimums everywhere, throw every extra dollar at the highest-APR card — this minimizes total interest. The snowball: attack the smallest balance first for quick psychological wins, then roll that payment into the next card. Research on debt repayment consistently finds the best method is whichever one you'll actually sustain. The math favors avalanche; human nature often favors snowball.
When a balance transfer or consolidation makes sense
A 0% intro APR balance transfer can freeze interest for 12–21 months — powerful if, and only if, the transfer fee (typically 3–5%) is smaller than the interest you'd otherwise pay and you can realistically clear the balance before the promo ends. A consolidation loan can also cut the rate dramatically. Both come with traps, which we walk through in our debt consolidation guide.
Clearing this debt is also the fastest way to raise your credit score — credit utilization is 30% of your FICO score, and it improves the moment balances drop.