What Is a Snowball Method? Debt Snowball Steps + Calculator

What is a snowball method? It is a repayment strategy for multiple debts: list balances from smallest to largest, keep paying every minimum, and direct extra money to the smallest balance. Once it is cleared, roll that payment into the next debt. Because this order ignores interest rates, it can cost more interest than paying the highest-rate balance first.

Use the calculator below with your balances, annual interest rates, minimum payments, and affordable extra payment. You can also open the debt snowball calculator separately to compare snowball and avalanche estimates.

Who might benefit from a debt snowball?

A snowball can be a reasonable fit when visible milestones help you stay consistent and the smallest balance can be cleared with an affordable payment plan. It does not replace an emergency buffer or required minimums. Check each statement before ordering the debts: if a payment is not reducing principal, contact the creditor about the rate, fees or an available arrangement. Compare the same budget with avalanche so you can see the interest trade-off before choosing.

How to use the debt snowball method

• List each balance, interest rate, minimum payment, and due date. Sort the balances from smallest to largest.
• Choose an extra monthly amount after accounting for essential expenses and all required payments.
• Pay every minimum on time. Add the extra amount to the smallest balance.
• Once that balance is cleared, redirect its payment to the next smallest debt. Continue until the list is paid off.

The CFPB debt reduction worksheet has space to record this plan. Keep the interest rates on your list even though they do not determine the snowball order; they help you assess the cost of that choice.

Worked example: $5,000 of debt and $200 extra per month

Suppose you have these three debts. These are illustrative amounts, not a customer result. Assume fixed rates, no fees or new borrowing, interest added monthly at the annual rate divided by 12, and payments made after interest. Keep the listed minimum payments fixed and hold the total monthly budget at $375 ($175 in minimums plus $200 extra). The calculator keeps internal precision and rounds the total-interest summary to the nearest dollar; month-by-month amounts below are shown to cents.

• Debt A: $500 balance, 12% annual rate, $25 minimum.
• Debt B: $1,500 balance, 24% annual rate, $50 minimum.
• Debt C: $3,000 balance, 6% annual rate, $100 minimum.

Minimum payments total $175. Add $200 extra and the monthly budget is $375. Snowball targets A first, then B, then C. Avalanche would start with B because its rate is highest.

• Month 1: pay $225 to A, $50 to B, and $100 to C. A adds $5 interest, leaving $280: $500 + $5 - $225.
• Month 2: keep those payments. A adds $2.80 interest and falls to $57.80.
• Month 3: A adds $0.58 interest. Its final payment is $58.38, so $166.62 of its planned $225 is available for B. Pay B $216.62 including its $50 minimum, and C $100. Total paid is still $375.
• Month 4: A is cleared. Direct $275 to B ($50 + $25 + $200) and $100 to C. B will receive the larger payment until it is cleared.

Under these exact assumptions, the shared calculator model clears all three debts in 15 months with either order. Snowball estimates about $323 total interest and clears Debt A in month 3; avalanche estimates about $296 and clears Debt B in month 7. Avalanche saves about $27 in this example, while snowball clears the smallest account sooner. The totals are rounded to dollars and are not typical-cost estimates or a prediction for another debt portfolio.

This example shows the payment rollover, not a promised payoff date. Actual statements may use daily interest, changing minimum payments, or different payment timing. Confirm the final amount owed before treating a debt as cleared.

Snowball or avalanche: what is the tradeoff?

The CFPB comparison describes snowball as a way to see smaller debts disappear sooner and the highest-interest approach as a way to reduce borrowing costs. With fixed rates, the same payment budget, and no special fees, directing extra payments to the highest rate first minimizes interest. There is no universal dollar cost for choosing snowball: it depends on your balances, rates, and payments.

There is evidence that smaller milestones can help motivation. A Kellogg summary of 2012 research by Gal and McShane reports that closing more accounts predicted completion among nearly 6,000 debt-settlement clients. That setting differs from making ordinary monthly loan payments. It does not establish that snowball is best for everyone or guarantee that you will finish. For a separate 1,000-profile simulation under stated assumptions, see the Snowballr debt snowball vs avalanche study.

Compare both schedules using your own figures. Look at total interest, the first account payoff, and the final estimated payment. If one debt has both the smallest balance and highest rate, the methods agree on the first target. You can change your plan as your budget or rates change.

What if the minimum payments are unaffordable?

A different repayment order cannot fix a budget that falls short of the required payments. For credit cards, the CFPB recommends contacting the issuer immediately and explaining how much you can afford. Ask about available payment arrangements. Credit counseling is another option; check fees and services before signing up.

Check your plan each month

Update balances from your statements, check that payments arrived, and adjust for changed rates or minimums. When a debt is paid off, deliberately reassign its payment. After clearing your debts, the compound interest calculator can help you explore saving part of that monthly budget using assumptions you choose.