Debt snowball vs avalanche: which payoff method fits you
Quick answer
Both methods pay the minimum on every debt and put all extra money toward one target. The avalanche targets the highest interest rate first and always costs the same or less in interest. The snowball targets the smallest balance first, which costs more when your small debts have low rates but gives you quicker wins. If you will stick with either, the avalanche saves money; if motivation is the problem, the snowball can be worth the extra cost.
You have several debts and a little extra money each month. Where should that extra go? The two most popular answers are the snowball and the avalanche. Both work. They just optimize for different things.
How both methods start
- List every debt with its balance, interest rate (APR), and minimum payment.
- Decide on one fixed monthly amount you can put toward debt: all the minimums plus something extra.
- Pay every minimum, every month, on time.
- Send all the extra to one target debt.
- When the target is paid off, roll its minimum and the extra into the next target. The payment grows like a snowball (or gathers speed like an avalanche).
The only difference is the order of the targets.
The snowball: smallest balance first
Target the debt with the smallest balance, regardless of rate. You clear whole debts sooner, so the number of bills drops quickly. That visible progress is the point: if staying motivated is your challenge, early wins can keep you going.
The avalanche: highest rate first
Target the debt with the highest interest rate. Every extra dollar removes the most expensive debt first, so the avalanche always costs the same or less in total interest than the snowball, and often finishes sooner.
A worked example
Three debts, $12,800 in total, with $455 a month in minimums and $100 extra, for a fixed $555 a month. These figures come from the Debt Rolodex payoff calculator, which assumes fixed minimum payments and no new charges.
| Debt | Balance | APR | Minimum |
|---|---|---|---|
| Small card | $800 | 12% | $30 |
| Big card | $7,000 | 27% | $175 |
| Loan | $5,000 | 8% | $150 |
| Result | Snowball | Avalanche |
|---|---|---|
| First debt paid off | Small card, month 7 | Small card, month 32 |
| Debt free | 40 months | 38 months |
| Total interest | $5,320.24 | $4,303.33 |
Here the avalanche saves $1,016.91 and two months, because the expensive 27% card is attacked from day one. The snowball gives a first win more than two years earlier.
When your smallest debt also has the highest rate, the two methods pick the same order and produce the same result.
Which should you choose?
- Choose the avalanche if you are confident you will stick with the plan and want the lowest cost.
- Choose the snowball if you have quit plans before, or if small, nagging balances are draining your motivation.
- Compare first. Run your own numbers in the payoff calculator. If the difference is small, pick the one you are more likely to finish.
Make either method work
- Stop adding new debt to the cards you are paying down, or the plan never ends.
- Ask for a lower rate. A call to a card issuer about a hardship plan or rate reduction can change the math.
- Protect a small emergency fund so one surprise bill does not go straight back on a card.
- Watch for promotional rates that expire. A 0% balance that jumps to 29% should move up the avalanche list when it does.
- Get free help if minimums are already more than you can pay: a nonprofit credit counselor can review your budget. See the directory.
General information, not legal or financial advice. Laws differ by state and change over time. For advice about your situation, contact legal aid or a nonprofit counselor listed in the directory.
Sources and further reading
We link to primary or official sources wherever we can. Guidance changes, so check the source before acting on anything important.