Skip to main content
Waterfall Planning
Debt Management

Snowball vs. Avalanche -- Two Ways to Pay Down Debt

Two proven strategies for paying down debt. One saves the most money. The other keeps you motivated. Here is how to pick.

By Zac Murphy, CFA, CFP® |

The Problem With Minimum Payments

When you carry balances on multiple debts -- credit cards, a car loan, student loans -- making the minimum payment on each one keeps you current but barely dents the principal. On a credit card with a 22% interest rate, a $5,000 balance with minimum payments could take over 15 years to pay off and cost thousands in interest. Most of each minimum payment goes toward interest, not the amount you actually owe.

The two most widely taught methods for accelerating debt payoff are the snowball method and the avalanche method. Both work by focusing extra payments on one debt at a time while paying minimums on everything else.

The Snowball Method

With the snowball method, you list your debts from smallest balance to largest and focus all extra money on the smallest debt first. Once that one is paid off, you take the payment you were making on it and add it to the minimum on the next smallest debt. The idea is that quick wins build momentum. Paying off a $400 medical bill in two months feels like real progress, which keeps you motivated to tackle the next one.

The math is not always optimal with this approach -- you might end up paying more in total interest because a higher-rate debt sits in the background longer. But behavioral research has shown that people who use the snowball method are more likely to stick with their payoff plan because the psychological wins keep them going.

The Avalanche Method

With the avalanche method, you list your debts from highest interest rate to lowest and focus extra payments on the highest-rate debt first. This approach minimizes the total amount of interest you pay over time because you are eliminating the most expensive debt first.

The downside is that if your highest-rate debt also has the largest balance, it can take a long time before you feel like you have made a dent. Some people lose motivation during that stretch. The avalanche method is mathematically efficient but requires patience.

Which One Works

Both methods work, and both are dramatically better than making only minimum payments. The best approach is the one you will actually follow through on. Some people do a hybrid -- they knock out one or two small debts for momentum, then switch to targeting the highest interest rate. There is no single correct answer here.

This content is for general educational purposes only and does not constitute financial advice. Everyone's financial situation is different. Consider consulting with a qualified financial professional for guidance specific to your circumstances.

This content is for general educational purposes only and does not constitute financial, investment, tax, or legal advice. Everyone's financial situation is different. Consider consulting with a qualified professional for guidance specific to your circumstances.

Ready to build your plan?

Take what you have learned here and put it into action. Waterfall Planning walks you through budgeting, saving, and retirement planning step by step.