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Debt Snowball Calculator
See roughly how many months it takes to clear your debt when you put a fixed amount toward it every month.
How this calculator works
Enter your total debt and the amount you can pay each month. The calculator divides the debt by the payment and rounds up to whole months. It ignores interest, so treat the answer as a best-case floor: real payoff takes a little longer if your debts charge interest. The snowball method itself means paying off your smallest balance first, then rolling that freed-up payment onto the next smallest, which builds momentum even though it is not always the cheapest order.
Example
You owe $9,000 in total and can pay $450 a month. The calculator shows: Estimated Payoff: 20 Months. At that pace the debt is gone in under two years, before counting interest.
Tips
- List every debt from smallest to largest balance, pay the minimum on all of them, and send every spare dollar to the smallest one.
- When a balance is cleared, add its old payment to the next debt instead of spending it. That rolling increase is what makes the snowball speed up.
- If your interest rates are very different, run the Debt Avalanche Calculator too and compare the total interest.
Common questions
Does the snowball method save the most money?
Not always. It prioritizes quick wins over interest cost. The avalanche method, which targets the highest interest rate first, usually costs less in total interest, but many people stick with the snowball longer because they see debts disappear sooner.
Why is the real payoff longer than the result shown?
This calculator spreads the balance evenly and does not add interest. Any interest charged each month adds to what you owe, so the true timeline is somewhat longer.
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Results are estimates only. See our disclaimer.