Pago de tarjeta de crédito

Why Minimum Payments Are a Trap

Credit card minimum payments are deliberately set low, usually 1% to 3% of your balance plus accrued interest, which keeps you in debt for as long as possible. Consider a $10,000 balance at a 22% APR. If you pay only the minimum, it can take roughly 27 years to eliminate the debt and you will pay more than $16,000 in interest alone, meaning the balance ends up costing you over $26,000 in total. The math works against you because as your balance shrinks, so does your minimum payment, stretching the payoff timeline further and further. Paying even a fixed $300 per month instead of the shrinking minimum on that same balance cuts the payoff to under 4 years and saves you well over $12,000 in interest.

How Credit Card Interest Is Calculated

Most credit cards charge interest daily, not monthly. Your card issuer takes your APR and divides it by 365 to find the daily periodic rate. On a 22% APR, that daily rate is about 0.0603%. Each day the issuer multiplies your average daily balance by this rate and adds it to what you owe, then the next day charges interest on the slightly larger balance, so your interest compounds daily. This is why carrying a balance is so costly and why the exact day you make a payment matters. It also means paying just a few days earlier, or making an extra mid-cycle payment, directly lowers your average daily balance and reduces the interest charged that month.

Balance Transfers and the Cost of Carrying a Balance

A balance transfer card can be a powerful tool for escaping high-interest debt. These cards offer a promotional 0% APR for a period of 15 to 21 months, during which every dollar you pay goes entirely toward the principal. The tradeoff is a transfer fee, typically 3% to 5% of the amount moved, so transferring $10,000 costs $300 to $500 upfront. Even so, that fee is usually a fraction of the interest you would otherwise pay, and the interest-free window lets you make real progress. Beyond the pure math, carrying a balance also carries a psychological cost: high credit card utilization increases financial stress and, because it raises your credit utilization ratio, can lower your credit score. The key is to pay off the transferred balance before the promotional period ends, since the standard rate that kicks in afterward is often just as high as the debt you escaped.

How is credit card interest calculated?

Credit card interest is typically calculated using a daily periodic rate. Your issuer divides your APR by 365 to get a daily rate, then applies it to your average daily balance and compounds it every day. On a 22% APR the daily rate is about 0.0603%, so a $5,000 balance accrues roughly $3 in interest per day, or about $90 over a monthly billing cycle if left unpaid.

What happens if I only pay the minimum?

Paying only the minimum keeps you in debt for years or even decades and maximizes the interest you pay. A $10,000 balance at 22% APR paid at the minimum can take about 27 years to clear and cost over $16,000 in interest. Because the minimum shrinks as your balance drops, the final stretch of repayment slows to a crawl, which is exactly how issuers profit.

Will paying off my credit card hurt my credit score?

No. Paying off a credit card almost always helps your score by lowering your credit utilization ratio, which is a major scoring factor. One minor nuance: if you close the account after paying it off, you reduce your total available credit and lose the account age, which can slightly lower your score. Keeping the paid-off card open and unused is generally the better move.