Debt Snowball Calculator
List your debts from smallest balance to largest, add an extra monthly payment, and see exactly when you'll be debt-free using the snowball method.
Your Debts
How the debt snowball method works
The debt snowball method is a debt payoff strategy popularized by financial author Dave Ramsey. Instead of ranking your debts by interest rate, you rank them purely by balance size — smallest to largest. You keep making the minimum payment on every debt, but every extra dollar you can find goes toward the single smallest balance. Once that debt hits zero, its old minimum payment doesn't disappear — it gets added to the extra payment you're throwing at the next-smallest debt. Your payment "snowballs" larger and larger as each debt falls, which is where the method gets its name.
Step by step
- List every debt you owe, ordered from smallest balance to largest — ignore interest rates entirely.
- Pay the minimum required payment on every debt except the smallest.
- Throw every spare dollar at the smallest balance until it's paid in full.
- Roll that freed-up payment into the next-smallest debt, and repeat until you're debt-free.
Extra payment → smallest remaining balance
When a debt reaches $0, its minimum payment is added to next month's extra payment
Why choose snowball over avalanche?
The debt avalanche method targets your highest-interest debt first, which is mathematically optimal and will typically save you more in total interest. The snowball method sacrifices a small amount of that savings in exchange for momentum: closing out an entire account in a few months feels like real progress, and that motivation is often the difference between finishing a payoff plan and abandoning it halfway through. If you want to compare both approaches side by side using your own numbers, try the full Debt Payoff Calculator, which lets you toggle between snowball and avalanche instantly.
Tips for snowball success
- Automate every minimum payment so a missed payment never derails your plan or triggers a penalty APR.
- Keep your debt list visible — crossing off a paid-off balance is part of what makes this method work.
- Redirect windfalls like tax refunds or bonuses straight at your current target debt.
- Don't add new debt while snowballing; consider setting the card aside once it's paid off.
Frequently Asked Questions
You list your debts from smallest balance to largest, ignoring interest rate. You pay the minimum on every debt except the smallest, which gets every extra dollar you can spare. Once it's paid off, you roll that entire payment into the next-smallest debt, and so on, building a "snowball" of an ever-larger payment.
Not always. The debt avalanche method (highest interest rate first) usually saves more in total interest and finishes marginally faster. The snowball method trades a small amount of extra interest for faster psychological wins, which research shows helps many people stick with their plan.
Any balance with a fixed minimum payment and interest rate: credit cards, personal loans, medical bills, auto loans, and student loans all work. Mortgages are usually excluded since they're large, low-rate, and tax-advantaged.
Yes. The snowball method never skips minimum payments — missing one can trigger penalty fees and hurt your credit score. Every extra dollar beyond the minimums is what gets focused on your smallest balance.