Credit Card Payoff Calculator

Find your fastest path to debt-free — with balance transfer analysis, scenario modeling, and your personal debt planner.

Your Debt Details

$
%
$
$
✦ Model a 0% APR promotional offer or balance transfer deal.
%
mo
%

Charged upfront when transferring balance (typically 3–5%)

$
$
mo

Payoff Analysis

Time to Debt-Free
—
Total Interest
—
Total Fees
—
True Total Cost
—
Month 1 Interest
—
Interest % of Debt
—
Intro Savings
—
Interest: — + Principal: — = Payment: —
Chart: balance chart.
Chart: breakdown chart.

Payment Scenarios

See how different payment amounts affect your payoff timeline and total interest.

Balance Transfer Analyzer

Compare keeping your current card vs. transferring to a 0% intro APR offer.

Transfer Offer Terms

%
mo
%
%

Payoff Sensitivity Matrix

How payoff time (months) changes across different APR and payment combinations. Your current scenario is highlighted.

Goal Seeker

Set your target payoff timeline — we'll calculate the exact monthly payment needed.

months

Payment Boost Impact

See what happens if you increase your monthly payment. Click a card to apply.

Payoff Journey

Your balance over time with key milestones marked.

Chart: payoff journey.
View Full Amortization Schedule +
Month Payment Principal Interest Balance

How is credit card interest calculated?

Credit card interest is calculated daily using your Annual Percentage Rate (APR) divided by 365. If you carry a $1,000 balance at 20% APR, the daily charge is about $0.55. Paying only minimums can make a $1,000 balance take 5+ years to repay.

How to Use the Credit Card Payoff Calculator

1

Enter Your Details

Fill in the input fields with your data — current balance, annual apr, payment frequency, and monthly payment. The calculator updates results instantly as you type, so there's no submit button to press.

2

Adjust Options & Presets

Fine-tune your calculation by adjusting any optional settings, presets, or advanced parameters. Try different values to compare scenarios and understand how each variable affects the outcome.

3

Review & Share Results

Read your results in the output panel. Use the Share button to generate a link with your inputs pre-filled, or copy results to your clipboard. All calculations happen locally in your browser — your data is never sent to a server.

⚡

Formula & Methodology

Key Formulas

Monthly Interest Charge
Interest = Balance × (APR ÷ 12)
With daily compounding: Interest = Balance × ((1 + APR/365)^30 − 1)
Principal Reduction
Principal = Payment − Interest
The amount by which your balance actually decreases each payment period.
Minimum Payment Required
Min Payment > Balance × (APR ÷ 12)
Any payment at or below the monthly interest charge means your balance never decreases.
Payoff Months (Fixed Payment)
n = −ln(1 − r×B/P) ÷ ln(1 + r)
Where r = APR/12, B = balance, P = payment. Our calculator solves this iteratively for accuracy.

Key Terms Explained

APR (Annual Percentage Rate)The yearly interest rate charged on your outstanding balance. Divide by 12 (monthly) or 365 (daily) to get the periodic rate. Most cards range from 18–29%.
Daily CompoundingInterest accrues every day using APR÷365. Most US credit cards use daily compounding (also called Average Daily Balance method), which costs slightly more than monthly.
Minimum PaymentThe smallest amount your card issuer requires each month, typically 1–3% of balance or $25 minimum. Paying only the minimum can extend payoff by decades.
Balance TransferMoving debt from a high-APR card to a new card offering a 0% intro period. Transfer fees (typically 3–5%) apply upfront. Use our Analyzer to see if it saves money.
True Total CostYour original balance plus all interest and fees paid over the payoff period. On a $5,000 balance at 22% paying $150/month, the true cost exceeds $7,700.
Biweekly PaymentsPaying every two weeks instead of monthly results in 26 half-payments per year — equivalent to 13 full monthly payments. The extra payment each year cuts payoff time significantly.

Key Terms

Current BalanceAn input parameter used in credit card payoff calculations. Adjust this value to see how it affects your results.
Annual APRAn input parameter used in credit card payoff calculations. Adjust this value to see how it affects your results.
Payment FrequencyAn input parameter used in credit card payoff calculations. Adjust this value to see how it affects your results.
Monthly PaymentAn input parameter used in credit card payoff calculations. Adjust this value to see how it affects your results.
Intro APR RateAn input parameter used in credit card payoff calculations. Adjust this value to see how it affects your results.
Intro Period LengthAn input parameter used in credit card payoff calculations. Adjust this value to see how it affects your results.
👥

Real-World Examples

👤

Alex

Example

📄

The Credit Card Interest Trap — And How to Escape It

Credit card debt is one of the most expensive forms of borrowing available to consumers. With average APRs hovering around 20–24% in 2025, carrying a balance costs far more than most people realize. On a $5,000 balance at 22% APR paying just $150 a month, you'd pay over $2,700 in interest alone — more than half your original debt — before it's gone.

The core problem is that most of your early payments go to interest, not principal. In month one on that $5,000 balance, $91 of your $150 payment disappears as interest. Only $59 actually reduces what you owe. This ratio slowly improves over time as your balance shrinks, but it takes years to reach the tipping point where principal starts dominating.

The Minimum Payment Trap

Credit card issuers legally set minimums low — often 1% of balance plus interest, or a flat $25. This maximizes the interest they collect. If you pay only the minimum on a $5,000 balance at 22%, you'll spend over 8 years paying it off and hand over more than $4,000 in interest. The issuer benefits; you don't.

Strategies That Actually Work

Pay more than the minimum. Even $25 extra per month makes a meaningful difference. Our boost cards show you exactly how much each extra dollar saves. On a $5,000 / 22% scenario, an extra $50/month saves 18 months and $1,000+ in interest.

Consider a balance transfer. A 0% intro APR card can be a powerful tool — but only if you pay off the balance before the promotional period ends and account for the transfer fee (typically 3%). Our Balance Transfer Analyzer does this math automatically.

Biweekly payments. If your budget is tight, switching to biweekly payments is a painless way to make one extra payment per year. On most scenarios this shaves 3–6 months off your payoff without increasing your monthly cash outflow.

Lump sum payments. A tax refund, bonus, or windfall applied directly to your balance can dramatically cut payoff time. Use our lump sum field to see the exact impact.

When to Seek Help

If your APR is above 25%, your payment barely covers interest, or you're juggling multiple cards, professional credit counseling may be worth exploring. Nonprofit agencies can negotiate lower interest rates through debt management plans at little or no cost.

❓

Frequently Asked Questions

Basics How is credit card interest calculated?
Most US credit cards use daily compounding. Your APR is divided by 365 to get a daily rate, then applied to your average daily balance each day of the billing cycle. For a 22% APR, the daily rate is 0.0603%. On a $5,000 balance, that's about $3.01 per day or ~$91 per month.
Basics What's the difference between APR and interest rate?
For credit cards, APR and interest rate are the same thing — unlike mortgages where APR includes fees. Your credit card's APR is simply the annualized rate used to compute interest. There's no additional APR calculation needed for most cards.
Basics How long does it take to pay off $10,000 in credit card debt?
At 22% APR paying $300/month, it takes about 4 years and 2 months with ~$4,900 in interest. At $500/month it drops to 2 years and 4 months with ~$2,500 in interest. Use this calculator with your exact numbers for a personalized answer.
Strategy Is a balance transfer worth it?
It depends on three factors: the transfer fee (typically 3–5%), the intro period length (12–21 months), and whether you can pay off the balance before the promo ends. Use our Balance Transfer Analyzer in the Scenario Analysis tab — it accounts for all three factors and tells you the net savings.
Basics What happens if I only pay the minimum?
Paying only the minimum means most of your payment goes to interest with little principal reduction. On a typical $3,000 balance at 20% APR with a $60 minimum, you'd spend 6+ years paying it off and pay over $2,000 in interest — more than doubling your cost.
Basics How does biweekly payment help?
Biweekly payments result in 26 half-payments per year, equivalent to 13 full monthly payments instead of 12. That extra payment each year reduces your principal faster, cutting both the payoff timeline and total interest. On most scenarios the savings range from 3–8 months.
Strategy What is daily vs monthly compounding?
Daily compounding applies interest every day (APR ÷ 365), while monthly compounding applies it once per month (APR ÷ 12). Most US credit cards use daily compounding. The difference in total interest over a payoff period is usually small — typically $50–200 on a $5,000 balance.
Strategy Should I pay off my credit card or invest?
If your credit card APR (e.g. 22%) exceeds your expected investment return (e.g. 8–10% for stocks), paying off the card first gives a guaranteed return equal to your APR. Most financial advisors recommend eliminating high-interest debt before investing beyond any employer match.
Strategy What is the avalanche vs snowball method?
The avalanche method pays off the highest-APR card first, minimizing total interest paid. The snowball method pays the smallest balance first, building psychological momentum. Mathematically, avalanche wins, but snowball works better for people who need motivational milestones.
Basics How do I use the Goal Seeker?
Go to the Debt Planner tab, enter your target payoff timeline in months (e.g. 24 for 2 years), and click Calculate. The Goal Seeker uses a binary search algorithm to find the exact monthly payment needed to meet your goal, along with how much interest you'll save compared to your current plan.
Strategy Can I save and share my calculation?
Yes. Click "Share URL" in the action bar to copy a link that encodes all your inputs as URL parameters. Your inputs are also automatically saved to your browser's localStorage, so they'll be restored when you return. Use "Export CSV" to download the full amortization schedule.
Basics What does "true total cost" mean?
True total cost is your original balance plus all interest charged plus any annual fees paid over the full payoff period. It represents the actual amount you'll spend to eliminate the debt. A $5,000 balance at 22% paying $150/month has a true total cost of about $7,772.