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Debt Avalanche Calculator

High-Interest Payoff Plan

Extra Payment

$

Applied to the active highest-interest debt after minimum payments.

Your Debts

Debt #1

$
$
%

Debt #2

$
$
%
Debt Strategy Desk

Make the extra payment work where interest is loudest

Debt avalanche is not about paying more everywhere. It protects required minimums, then concentrates the extra payment on the highest APR. That matches the CFPB guidance that paying more than the minimum lowers interest over time.

"If the plan fails, treat it as a budget-warning signal. The CFPB suggests contacting the card company early and considering nonprofit credit counseling before the problem compounds."

Cover every minimum

Missed required payments can create fees, penalty rates, and credit damage before the strategy has a chance to work.

Rank by APR

When balances are similar, the highest APR usually creates the fastest interest leak.

Re-run after payoff

When a debt hits zero, roll its freed payment into the next highest-rate balance.

Frequently Asked Questions

  • Debt avalanche means you cover every required minimum payment, then send the extra cash to the debt with the highest APR. It is a math-first payoff strategy: high-rate balances create the most interest drag, so attacking them first usually lowers total interest.
  • The avalanche only works after required minimums are covered. The U.S. CFPB minimum-payment explainer notes that paying only the minimum can take years, while paying more each month reduces interest over time.
  • That means the modeled payments do not overcome interest growth within the safety window. The U.S. CFPB recommends acting quickly, contacting the card company if you cannot pay the minimum, and considering nonprofit credit counseling.
  • Avalanche is usually cheaper because it targets the highest APR first. Snowball can feel better emotionally because it clears small balances first. A useful compromise is to use avalanche unless a small debt creates a motivational win without adding much interest cost.
  • If minimum payments are hard to keep up with, talk to a reputable nonprofit counselor before paying a debt-relief company. The CFPB credit counseling guide explains how counselors can help with budgets and debt-management plans, while the FTC debt guide warns about debt-relief scams.