The one thing they have in common
Both methods work the same way mechanically: pay the minimum on every debt, then throw all your extra money at one target debt until it’s gone. When that debt is cleared, its payment "rolls over" to the next target, so your payments snowball larger over time. The only difference is which debt you target first.
The debt snowball
The debt snowball targets the smallest balance first, regardless of interest rate. You clear an entire account quickly, which delivers a motivating win, then move to the next-smallest. The psychology is the point: visible progress keeps people going. The trade- off is that ignoring interest rates can cost a little more overall.
The debt avalanche
The debt avalanche targets the highest interest rate first. Since you’re eliminating your most expensive debt first, you pay the least total interest and typically finish sooner. It’s the mathematically optimal choice. The trade-off: if your highest- rate debt also has a large balance, your first win can take a while.
Side-by-side comparison
| Debt Snowball | Debt Avalanche | |
|---|---|---|
| Attacks first | Smallest balance | Highest interest rate |
| Best for | Motivation, quick wins | Saving the most money |
| Total interest | Slightly higher | Lowest |
| Time to debt-free | Usually a bit longer | Usually shortest |
| First win | Fast | Can be slower |
A quick example
Imagine a $600 store card at 18%, a $5,000 card at 26%, and a $3,000 loan at 11%. The snowball clears the $600 card first for an instant win. The avalanche attacks the $5,000 card at 26% first, because that rate is doing the most damage — saving more interest by the end. For many real-world debts, the difference is modest in dollars but meaningful in motivation. The debt eliminator shows the exact gap for your numbers.
How to choose
- Pick the avalanche if you’re disciplined and want the lowest cost.
- Pick the snowball if you need early wins to stay motivated.
- Can’t decide? Run both in the debt eliminator. If the savings gap is small, choose the snowball; if it’s large, lean avalanche.
Either way, the magic is in the rollover plus a consistent extra payment. Find a sustainable extra amount with the debt planner. This guide is general information, not financial advice.