Debt Snowball or Debt Avalanche: Which Way of Paying Off Debt Saves More
5 min read
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5 min read
You have three debts. A credit card, a paylater bill and a personal loan. You have Rp2,000,000 a month to throw at them. Which one do you attack first?
That one choice can change how much interest you pay. It can also change whether you quit halfway. This is the debt snowball vs avalanche question, and we will answer it with real arithmetic.
Both methods start the same way. You pay the minimum on every debt. That is the smallest payment the lender asks for each month. Then you put all your extra money on one debt.
The only difference is which debt gets the extra money.
Interest is the fee a lender charges you for borrowing. A higher rate means each rupiah you owe grows faster.
Here are three debts. The rates are assumed for this example. They are not quotes from any lender. Your own numbers will differ.
| Debt | Balance | Interest per month | Minimum payment |
|---|---|---|---|
| Credit card | Rp2,000,000 | 1.5% | Rp200,000 |
| Paylater | Rp9,000,000 | 3% | Rp450,000 |
| Personal loan | Rp15,000,000 | 1% | Rp500,000 |
The minimums add up to Rp1,150,000. Your budget is Rp2,000,000 a month. So Rp850,000 is the extra money you can aim at one debt.
How we ran the numbers: each month, interest is added to every balance first. Then the payments go in. No late fees and no new borrowing. This is our own calculation, not a lender's schedule.
| Snowball | Avalanche | |
|---|---|---|
| First target | Credit card (smallest balance) | Paylater (highest rate) |
| First debt cleared | Month 2 | Month 8 |
| All debts cleared | Month 15 | Month 15 |
| Total interest paid | Rp3,137,861 | Rp2,984,638 |
The avalanche saved Rp153,223 in interest. Both methods finished in the same month, month 15.
So the avalanche wins on cost. But look at the second row. The snowball gave you a debt fully cleared in month 2. The avalanche made you wait until month 8 for the first win.
Rp153,223 is real money. It is also about 5% of the total interest in this example. That is a modest gap, not a huge one.
The gap grows when the highest-rate debt is big and the rates are far apart. It shrinks when the rates are close. In our example the paylater rate (3%) is three times the personal loan rate (1%), which is why the avalanche pulls ahead.
Now think about month 5. You are tired. The balances still look big. The snowball gives you a finished debt early, one fewer bill and one fewer due date. Many people find that early win keeps them going. That is a feeling, not a number. We did not test it here, and you know yourself better than any chart does.
A method you finish beats a cheaper method you drop.
Ask yourself three questions.
You can also mix them. Clear a tiny debt first for the early win, then switch to highest rate first. Neither method is a law. Both are just rules for ordering your extra payments.
Whichever you pick, three habits matter more than the choice itself.
If you also have spare cash, it helps to compare your loan rate with your investment return first. We walk through that in pay off debt or invest first.
Write down every debt with its balance, its monthly rate and its minimum payment. Then see how it sits next to everything else you own.
Open your NetWort dashboard and check your net worth with your debts counted in. Seeing the total drop each month is the easiest way to keep going.