Enter Your Debts
Avalanche Method
Snowball Method
Debt-by-Debt Payoff Schedule
Month each debt is paid off under each method
| Debt | Balance | Rate | Avalanche (month) | Snowball (month) |
|---|
Avalanche vs. Snowball: Which Method Wins?
Avalanche Method
Pay minimums on everything, then throw every extra dollar at your highest interest rate debt first. Once paid off, roll that payment into the next highest rate.
✓ Saves most money & timeSnowball Method
Pay minimums on everything, then throw every extra dollar at your smallest balance debt first. Once paid off, roll that payment into the next smallest balance.
✓ Best for motivation & follow-throughThe Math: Avalanche Always Wins on Paper
The avalanche method mathematically minimizes total interest paid and gets you out of debt in the fewest months. By attacking the highest-rate debt first, you're eliminating the most expensive debt as fast as possible, which saves compounding interest on every subsequent debt. The savings can be significant — on a typical $15,000 debt load, the avalanche method can save $1,000–$3,000 compared to snowball.
The Reality: Snowball Has a Higher Success Rate
Despite the math, research consistently shows that many people have better real-world outcomes with the snowball method. The quick wins of paying off smaller debts first create a sense of progress and momentum that keeps people on track. A 2016 Harvard Business Review study found that people who pay off small balances first feel more "in control" and are more likely to stick with their debt payoff plan. If you have a history of giving up on financial goals, the snowball method might actually save you more money by keeping you engaged.
The Verdict: Pick the One You'll Stick With
The best debt payoff method is the one you'll actually follow through on. If you're highly analytical and motivated by numbers, avalanche is the clear winner. If you need visible progress and motivational checkpoints, snowball will serve you better. Either way, both methods destroy debt far faster than paying random amounts each month.
How to Accelerate Payoff: The Extra Payment
The single most powerful lever in debt payoff is extra monthly payment. Even $50–$100 more per month can shave months off your timeline and save hundreds in interest. The calculator above lets you enter an extra payment amount to see exactly what it does to your payoff schedule.
Where to find extra money: cancel underused subscriptions, sell items you don't use, redirect any bonus or tax refund, or pick up extra hours or a side gig temporarily. A one-time $500 windfall applied to high-interest debt can be worth $800+ in total interest savings.
Should You Refinance Instead?
If you're carrying credit card debt at 20–29% APR, refinancing with a personal loan at a lower rate is often the most powerful move you can make. Cutting your interest rate from 24% to 12% effectively doubles the speed of your payoff on every dollar you pay. SoFi personal loans start at 8.99% APR with no origination fees — run your numbers with the lower rate in the calculator to see the difference.
Frequently Asked Questions
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The debt avalanche method prioritizes paying off your highest interest rate debt first while making minimum payments on all others. Once the highest-rate debt is paid off, you roll that payment into the next highest-rate debt. This method minimizes total interest paid and gets you out of debt fastest mathematically.
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The debt snowball method prioritizes paying off your smallest balance debt first while making minimum payments on all others. Once paid off, you roll that payment into the next smallest balance. This builds psychological momentum through quick wins and works best for people who need motivation to stay on track.
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Mathematically, the avalanche method always saves more money and time. But research shows the snowball method has a higher real-world success rate because early wins keep people motivated. The best method is whichever one you'll actually follow through on. Use the calculator above to compare both for your specific situation.
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If you have high-interest credit card debt at 18–29% APR, refinancing with a personal loan at a lower rate (8–15%) can save thousands in interest. SoFi offers personal loans from 8.99% APR with no origination fees. Run both scenarios in the calculator: your current rates vs. the same debt after refinancing to see your savings.
Related Guides
- Average Credit Card Debt by Age in 2026 — see how your debt compares
- Emergency Fund Calculator — build your safety net before aggressively paying debt
- Best High-Yield Savings Accounts — once debt-free, put your payments to work