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Debt Snowball Calculator
Compare paying debts from smallest balance upward or highest interest downward with a fixed total monthly budget.
Separate numbers with spaces or semicolons. Use a dot or comma as the decimal separator; up to 1,000 numbers.
Separate numbers with spaces or semicolons. Use a dot or comma as the decimal separator; up to 1,000 numbers.
Separate numbers with spaces or semicolons. Use a dot or comma as the decimal separator; up to 1,000 numbers.
- Months until debt-free
- 33
- Total interest
- 1,336.16
- Total paid
- 10,336.16
- Payoff times by debt
- 3
| Debt number | Payoff month |
|---|---|
| 1 | 8 |
| 3 | 21 |
| 2 | 33 |
How the calculation works
Interest accrues first, followed by minimum payments. Remaining budget goes to the priority debt; payments freed by a paid-off debt roll into the other debts.
Inputs
- Debt balances: Separate numbers with spaces or semicolons. Use a dot or comma as the decimal separator; up to 1,000 numbers.
- Annual interest rates, %: Separate numbers with spaces or semicolons. Use a dot or comma as the decimal separator; up to 1,000 numbers.
- Minimum monthly payments: Separate numbers with spaces or semicolons. Use a dot or comma as the decimal separator; up to 1,000 numbers.
- Extra monthly budget
- Repayment order
Calculation details
Balance, rate, and minimum-payment lists must have matching lengths and order. Up to 50 debts; rates and minimums remain fixed.
New borrowing, fees, and changing minimum payments are excluded. The calculation horizon is limited to 100 years.
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Updated: 2026-10-02