Free — no signup required

Free debt payoff calculator
— define your new path forward

Add your credit cards, loans, and other debts. Oswin identifies which ones are costing you the most and builds a clear, personalized plan to get you out — step by step.

Oswin
Hi there. I'm Oswin, your personal debt consultant. Tell me about your debts — even just one — and I'll identify what's costing you the most and build a clear plan to get you out.
Your debts
Name / Type Balance ($) APR (%) Min. ($)
Monthly payment — income optional, used for DTI
What you can commit each month
Optional — even $50 makes a real difference
Used to calculate your debt-to-income ratio
Affects Oswin's payoff strategy advice
Your payoff plan
# Debt Balance Monthly payment Interest/mo Paid off

Each row shows exactly how your payment is split between interest and principal that month. Rows marked on hold are months when this debt is waiting while another is being paid down — notice the balance still grows from interest.

Mo. Opening Balance Interest Charged Payment Made Principal Paid Closing Balance
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Credit Card Payoff Calculator: See What Your Balance Is Really Costing You

Credit card debt is the most expensive debt most people carry. Unlike car loans or mortgages, credit cards charge compound interest — typically between 18% and 29% APR — and that interest accrues monthly on whatever balance you haven't paid. On a $5,000 credit card balance at 22% APR, you're paying roughly $92 per month in interest alone — money that does nothing to reduce what you owe.

To use Oswin as a credit card payoff calculator, enter each card's name, balance, and APR. Add the minimum payment shown on your statement (usually 1–3% of the balance). Oswin will calculate your exact payoff date, show how each monthly payment splits between interest and principal, and demonstrate how much faster you could clear the card with just a small extra payment.

How to Calculate How Long It Takes to Pay Off a Credit Card

The payoff timeline for a credit card depends on three numbers: your current balance, your APR, and how much you pay each month. The trap most people fall into is paying only the minimum — which credit card companies set deliberately low, often just enough to cover interest plus 1% of the balance. At that rate, a $5,000 balance at 20% APR takes over 27 years to pay off and costs more than $7,800 in interest.

The formula for monthly interest is simple: Balance × (APR ÷ 12). Any monthly payment above that amount reduces your principal — the rest is just keeping pace with interest. Doubling your payment doesn't double your speed; because the balance shrinks faster, you pay dramatically less interest and finish in a fraction of the time. Oswin runs all of this automatically and shows the full month-by-month breakdown in the amortization schedule.

How This Debt Payoff Calculator Works

Enter each debt you owe — credit cards, student loans, car loans, medical bills, or any other balance — along with its annual interest rate (APR) and minimum payment. Then set the total monthly payment you can commit to. Oswin calculates month by month, accruing interest and applying your payment until every balance hits zero.

The results show your complete payoff timeline: which debt clears first, which clears last, your exact debt-free date, and the total interest you'll pay. A full amortization schedule breaks down every payment into principal and interest — month by month, for each debt in your plan.

Avalanche vs. Snowball: Which Debt Strategy Saves More?

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Debt Avalanche

Targets your highest-interest debt first, regardless of balance. This minimizes total interest paid and is the mathematically fastest path out of debt. Best for people motivated by long-term savings.

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Debt Snowball

Targets your smallest balance first, regardless of interest rate. Each paid-off account is a psychological win that builds momentum. Research shows this approach helps many people stay committed to their plan.

Both methods work. The best strategy is the one you'll actually stick to. If the difference in total interest between them is modest, choose whichever keeps you most motivated.

Frequently Asked Questions

What is a debt payoff calculator?
A debt payoff calculator takes your debt balances, interest rates (APR), and monthly payment amount and shows exactly how long it will take to pay off each debt — and how much total interest you'll pay. Oswin's free calculator supports three strategies: avalanche (highest interest first), snowball (smallest balance first), and a custom order you define by dragging debts into your preferred sequence.
How much should my monthly debt payment be?
At minimum, your payment must exceed the monthly interest accruing across all your debts — otherwise balances grow instead of shrink. A common guideline is 15–20% of take-home pay toward debt payoff. Even an extra $50–100/month can shorten your timeline by months or years. Try different amounts in the calculator to see the impact firsthand.
Does this calculator work for student loans, car loans, and credit cards?
Yes — enter any debt with a balance and an annual interest rate. Credit cards, student loans, auto loans, personal loans, medical bills, and lines of credit all work. For 0% APR debts like some medical bills, enter 0 and the calculator includes them in your plan with no interest accrual.
Is my financial information stored or shared?
No. Oswin runs entirely in your browser — your debt details never leave your device, are not stored on any server, and are never shared with anyone. There is no account, no sign-up, and no data collection of any kind. Refresh the page and everything resets.
How accurate are the payoff calculations?
The calculations are estimates based on the balances, APRs, and fixed monthly payment you enter. Real payoff timelines can vary based on minimum payment requirements, fees, rate changes, and exact payment timing. Use these results as a planning guide — they're accurate enough to compare strategies and set realistic goals.
What if I can only afford minimum payments right now?
Enter your total minimum payments across all debts as your monthly amount. The calculator will show your timeline at minimums — often eye-opening. Then try adding small amounts to see how much faster you could finish. Even $25/month extra makes a measurable difference on high-interest debt, and seeing that impact is often all the motivation you need.
How do I use this as a credit card payoff calculator?
Add each credit card as a separate debt row. Enter the card name, current balance, APR (found on your statement or online account), and minimum payment. Set your total monthly payment, then hit "Define my new path." Oswin will show when each card clears, how much interest you'll pay, and how each month's payment splits between interest and principal. The amortization schedule shows this breakdown month by month for each card.
How long does it take to pay off a credit card with minimum payments?
Much longer than most people expect. On a $5,000 balance at 20% APR, making only the minimum payment (roughly 2% of the balance) takes over 27 years and costs more than $7,800 in interest — on top of the original $5,000. Credit card companies set minimums low by design. Enter your card details and set your payment to just the minimum in Oswin to see your specific timeline, then increase the payment to see how quickly the timeline shrinks.
What is the best strategy for paying off credit card debt?
For most people with multiple credit cards, the debt avalanche method saves the most money: pay minimums on all cards, then put every extra dollar toward the card with the highest APR. Once that card is paid off, roll that payment to the next-highest APR card. If motivation is a bigger concern than math, the debt snowball — paying off the smallest balance first — delivers quick wins that keep you on track. Oswin calculates and compares both strategies so you can see the difference in interest and time before deciding.