Debt Payoff Calculator
Enter your debts, compare the Snowball and Avalanche methods side by side, and see exactly when you'll be debt-free — with live charts, no email required.
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Your debts
Any amount above your combined minimums. Even $50 extra can cut years off your payoff.
Payoff strategy
Your plan appears here
Add at least one debt with a balance, APR, and minimum payment — results update live as you type.
What is the Debt Snowball method?
With the Snowball method, you pay minimums on everything and put every extra dollar toward your smallest balance first. When that account is gone, its entire payment rolls into the next-smallest debt — so your "snowball" grows with every account you close. The math isn't always optimal, but the quick wins are real: closing a whole account in the first few months is what keeps many people going for the full two-to-four-year journey.
What is the Debt Avalanche method?
The Avalanche method targets your highest interest rate first, regardless of balance size. Because expensive debt gets eliminated soonest, Avalanche always costs the same or less in total interest than Snowball — sometimes by a little, sometimes by thousands when one card carries a 29% penalty APR. The trade-off: if your highest-rate debt is also your biggest, it can take a year or more before you feel the first "win."
Key Takeaway
Snowball vs. Avalanche at a glance
| Criteria | Debt Snowball | Debt Avalanche |
|---|---|---|
| Extra payments target | Smallest balance first | Highest APR first |
| Total interest cost | Same or slightly more | Always lowest possible |
| First debt eliminated | Fast — often within months | Can take longer |
| Best for | Motivation from quick wins | Maximum savings, disciplined payers |
| Monthly payment | Constant (minimums + extra) | Constant (minimums + extra) |
How to accelerate your payoff
The single biggest lever is the extra monthly payment — even $50 above your minimums shortens most timelines by years, because every extra dollar goes straight to principal. Beyond that: apply windfalls (tax refunds, bonuses) directly to your target debt; call your card issuers and ask for a rate reduction — long-time customers with on-time histories are sometimes granted one; and if your credit is still strong, a consolidation loan at a lower APR can turn the same monthly budget into a much faster payoff. The FTC's guide to getting out of debt also covers free and low-cost credit counseling options worth knowing about.
Common Mistakes to Avoid
Paying extra across all debts instead of concentrating on one target
Spreading extra money thin means no account closes early and no minimum ever rolls over. Concentration is the entire mechanism that makes both methods work.
Continuing to use the cards you're paying down
New charges silently undo your extra payments. Pause card use during payoff — or the calculator's timeline will keep moving away from you.
Draining your emergency buffer to zero for a faster payoff
With no buffer, the next car repair goes straight back on a card at 25% APR. Keep a small cushion so one surprise doesn't restart the cycle.
Sticking with a plan whose minimums don't even cover interest
If balances grow despite on-time payments, you don't have a strategy problem — you have a structural one. That's when settlement or a debt management plan is worth a serious look. Under the FDCPA, you also have specific rights if accounts reach collections — the CFPB explains them clearly.
When a payoff plan isn't enough
Payoff strategies assume your income can cover minimums plus something extra. If it can't — if you're choosing between payments and groceries, or accounts are already 60+ days behind — the smarter move is usually debt relief: settlement, consolidation, or a nonprofit management plan. Know your rights first: the CFPB's debt collection resources explain what collectors can and cannot do, and the FTC's Telemarketing Sales Rule prohibits settlement companies from charging fees before they actually settle a debt — a useful screen for spotting legitimate help.
Debt payoff questions, answered
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