Debt Snowball vs Avalanche Calculator
Mat Caissy
Debt Snowball vs. Avalanche Calculator
Open the tool: Debt Avalanche vs Snowball. For the full guide, read Debt Snowball vs Avalanche: Which Pays Off Faster for You?.
Enter your debts once. This calculator runs both payoff methods on the same monthly budget and shows the difference: avalanche targets the highest APR first and usually costs the least interest, while snowball targets the smallest balance first and clears accounts sooner. Results update as you type. It is free, needs no account, and keeps debts in this browser.
This is general education, not personalized financial advice.
How to use this tool
- Review an example list, or replace each name, balance, APR, and minimum.
- Set the extra you can pay after every minimum.
- Read the comparison: interest, months, and which method clears an account first.
- Open the chart, per-account bars, or month-by-month schedule if you want the detail.
What your result means
Avalanche costs less interest when APRs differ and you stick to the plan. Snowball clears a first account sooner, which some people find easier to follow. If a minimum is below one month of interest, that balance grows on minimums alone. The debt-free date is the math under your assumptions, not a guarantee.
Frequently asked questions
Do I need an account?
No. Debts stay in this browser for this visit and later visits on this device.
How many debts can I add?
As many as you need. Add a row for each balance you want in the plan.
Will I be debt-free on the date shown?
Only if you pay that amount every month and the APR does not change. The date is the math under those assumptions.
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