Credit Card Payoff Calculator

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

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Credit card debt is among the most expensive debt most consumers carry, with APRs typically ranging from 18% to 30% — far above the cost of mortgages, auto loans, or personal loans. At these rates, paying only the minimum balance each month can stretch a modest debt over years or decades, resulting in total interest charges that exceed the original balance by a wide margin. This calculator makes those figures explicit and computable: enter your balance, APR, and planned monthly payment to see exactly how long payoff takes, how much total interest accrues, and what percentage of your total payments go to the bank rather than to your debt. The calculation is most valuable as a before-and-after comparison. Run your current payment first, then increase it by $50, $100, or $200 to quantify the interest savings and time reduction. The results often reveal that a relatively small increase in monthly payment dramatically shortens the payoff period and saves hundreds or thousands of dollars. This tool is also useful for evaluating balance transfer offers. If a 0% introductory APR card is available, enter the balance, the promotional rate (0%), and a target monthly payment to see whether you can eliminate the full balance before the standard rate kicks in. For anyone carrying revolving credit card debt, this calculator converts an abstract financial problem into a concrete, actionable payoff plan.

How It Works

The payoff timeline is calculated through a month-by-month amortization simulation, mirroring how credit card balances actually behave under a fixed monthly payment. Each month follows three steps. First, interest accrues on the current balance: Monthly Interest = Balance × (APR ÷ 12). For a $5,000 balance at 22.99% APR, the monthly interest charge is $5,000 × (0.2299 ÷ 12) = $95.79. Second, the fixed monthly payment is applied: it covers the accrued interest first, with the remainder reducing the principal. A $200 payment on this balance pays $95.79 in interest and reduces the principal by $104.21, leaving a new balance of $4,895.79. Third, the updated balance becomes the starting point for the following month. Because the balance shrinks each month, interest charges decrease incrementally and more of each subsequent payment goes toward principal — the same amortization shift seen in mortgages and auto loans, but far slower at credit card rates. The simulation continues until the balance reaches zero, up to a ceiling of 1,200 months. If the monthly payment is less than or equal to the monthly interest charge, the balance will never be paid off and the calculator returns an error displaying the exact minimum payment required to make forward progress. Total interest is the cumulative sum of all monthly interest charges. Total amount paid is the original balance plus total interest.

Examples

$5,000 at 22.99% APR — $200/month
A typical credit card balance with a common payment amount.
Result: Paid off in 32 months with ~$1,380 in interest.
$5,000 at 22.99% APR — $500/month
Doubling the payment dramatically reduces interest and time.
Result: Paid off in 11 months with ~$530 in interest — saving $850.
$5,000 at 22.99% APR — $100/month (minimum payment trap)
Near-minimum payments barely outpace interest, extending the debt for over a decade and costing more than double the original balance.
Result: 167 months (nearly 14 years) to pay off, with approximately $11,695 in total interest — more than double the original $5,000 balance.

Frequently Asked Questions

What is the minimum payment trap?
Credit card minimum payments are typically calculated as a small percentage of the outstanding balance — often 1–2% — or a flat dollar floor like $25, whichever is greater. Because the minimum shrinks as the balance shrinks, the payment never accelerates payoff; it just barely keeps pace with interest. A $5,000 balance at 22.99% APR with minimum payments can take well over a decade to pay off and cost more in total interest than the original balance. The minimum payment trap is deliberately structured — paying minimums is one of the most profitable outcomes for the card issuer. Paying even a fixed amount above the minimum each month dramatically reduces both payoff time and total interest, as this calculator illustrates.
Does paying twice a month help?
Making two payments per month instead of one can modestly accelerate payoff, though the mechanism depends on how the issuer calculates interest. Most credit cards assess interest based on the average daily balance over the billing cycle. Submitting a payment mid-cycle reduces the average daily balance for the second half of the month, which lowers the interest charge applied at the end of the cycle. The savings are small per month but compound over time. A more impactful strategy is simply to increase the total monthly payment amount — the frequency matters less than the dollar amount applied to principal each cycle.
Should I pay off credit card debt or invest?
The mathematically optimal answer compares the guaranteed return of eliminating high-interest debt against the expected return of investing. Credit card APRs typically range from 18% to 30%; the historical average annual return of a broad US stock index fund is approximately 7–10%. Paying off a 22% APR card is equivalent to earning a guaranteed 22% return on that money — far better than any realistic investment return. For most people carrying high-interest revolving debt, paying it off first is the higher-return choice. The exception is employer-matched retirement contributions, which typically represent an immediate 50–100% return and should be captured before aggressively paying down credit card debt.

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