Debt Payoff

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Debt Payoff Calculator: Snowball and Avalanche Plans

Compare debt snowball and debt avalanche strategies, estimate interest savings, and build a month-by-month payoff plan. Your numbers stay in your browser.

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Interactive payoff planner

Enter debts, APRs, and extra monthly budget to compare Snowball, Avalanche, and custom order in real time.

1. Enter your debts

Avalanche

Pay highest-APR debt first. Usually saves the most interest overall.

Snowball

Pay smallest-balance debt first. Builds quick wins and motivation.

Type the stable amount you can add every month after all minimum payments.

Quick amounts

Snowball vs Avalanche

Snowball pays off smallest balances first to create quick psychological wins. Avalanche pays highest-interest debts first and usually saves the most interest mathematically.

Model: interest accrues monthly, then minimum payments and extra budget are applied. Results are educational approximations.

More content: Full comparison guide · FAQ
© Debt Payoff CalculatorGenerated by Debt Payoff Calculator. Educational use only. Not financial advice.

Snowball vs Avalanche: which payoff strategy fits?

Both strategies use the same monthly budget. Snowball pays the smallest balance first. Avalanche pays the highest APR first.

Debt Snowball

Pros:
  • Quick early wins
  • Strong motivation
  • Useful when consistency is the main risk
Cons:
  • May cost more interest
  • High-APR debt can wait longer

Debt Avalanche

Pros:
  • Usually saves the most interest
  • Best mathematical efficiency
  • Strong fit for high-APR balances
Cons:
  • First payoff can take longer
  • Requires more patience

Example comparison

ScenarioDebt detailsNote
Mixed debt exampleCredit card $4,200 at 24.9%, card $1,200 at 21.9%, student loan $9,800 at 5.5%, auto loan $7,200 at 7.9%Avalanche saves about $129 in this example.
Credit-card-heavy exampleCard A $3,500 at 22.9%, card B $1,800 at 19.9%, personal loan $6,500 at 12.5%Avalanche gains more value when high-rate balances dominate.

Common snowball mistakes

  • Ignoring very high APR debt for too long.
  • Choosing an extra payment that is not sustainable.
  • Forgetting to roll freed minimum payments into the next target debt.

Compare both strategies with your own numbers · Open the full comparison guide

More debt payoff guides

Frequently asked questions

Is debt snowball or debt avalanche better?

Debt snowball is often easier to stick with because it pays the smallest balance first and creates quick wins. Debt avalanche usually saves more interest because it pays the highest APR first. The better plan is the one you can follow consistently.

Does this calculator upload my debt data?

No. Calculations, exports, and share links are handled in your browser. Balances, APRs, minimum payments, and schedules are not sent to a server.

What should I enter as extra monthly payment?

Enter the amount you can reliably pay after covering all minimum payments. Start with a sustainable number so the plan does not compete with essential expenses.

Is this financial advice?

No. Results are educational planning estimates. Real loans may have daily interest, fees, promotional rates, or prepayment rules.

For more answers, visit the full FAQ.