Credit Card Payoff Calculator
See how long it takes to pay off your credit card balance
Enter details to see payoff timeline
What is the Credit Card Payoff Calculator?
If you're carrying a balance on a credit card, this calculator tells you something the credit card company would rather you didn't know: exactly how long it'll take to pay it off and how much interest you'll pay in total. It also works in reverse — you can set a target payoff date and see how much you need to pay each month to hit it. This tool is useful for anyone working on getting out of credit card debt, whether that's one card or several. CalciHub's version gives you the payoff timeline and total interest for both fixed monthly payments and a target payoff date.
How Does It Work?
Credit cards use daily periodic interest based on your Annual Percentage Rate (APR). The calculator uses the standard amortization formula adapted for revolving debt:
n = −log(1 − (r × B) / M) / log(1 + r)
n = Number of months to pay off the balance
B = Current balance
r = Monthly interest rate (APR ÷ 12)
M = Monthly payment amount
How to Use CalciHub's Credit Card Payoff Calculator
1. Enter your current credit card balance.
2. Input your card's APR (Annual Percentage Rate, shown on your statement).
3. Choose your mode: either enter a fixed monthly payment, or set a target payoff date.
4. Click Calculate to see how long it takes and the total interest you'll pay.
Tip: Always pay more than the minimum. On a $5,000 balance at 20% APR, the minimum payment might be $100, but that could take over 30 years to pay off.
A Quick Example
Sarah has a Chase credit card with a $4,200 balance and a 22.99% APR. She's been paying the $90 minimum each month and wonders why the balance barely moves.
Balance: $4,200
APR: 22.99%
Monthly payment: $90
Payoff time: 9 years and 4 months
Total interest paid: $5,840
That's nearly $6,000 in interest on top of $4,200 she already spent. If Sarah raises her monthly payment to $200, she pays it off in 2 years and 7 months and pays only $1,190 in interest.
Frequently Asked Questions
Minimum payments are often set at 1–2% of your balance or a flat amount like $25, whichever is higher. Because interest accrues on the full remaining balance every month, a small payment barely covers the interest charges — leaving almost nothing to reduce the actual balance.
The national average credit card APR is currently around 21–22%. Anything below 15% is considered low. If you always pay your balance in full each month, the APR doesn't matter — you pay zero interest. The APR only bites when you carry a balance.
Mathematically, paying off the highest-rate card first (the avalanche method) saves more money in interest. Paying the smallest balance first (the snowball method) provides quicker psychological wins and keeps people motivated. Both work — pick the one you'll actually stick to.
It can. Many cards offer 0% APR promotional periods of 12–21 months for balance transfers, which stops interest from accruing while you pay down the principal. Watch for balance transfer fees (typically 3–5%) and make sure you can pay them off before the promotional rate expires.
Yes, completely free and available any time. No account needed to run your numbers.
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