Snowball, avalanche, or a custom order — with extra payments, lump sums, bi-weekly acceleration, and a full amortization schedule.
Add every debt you're tracking — credit cards, student loans, auto loans, personal loans, medical debt, or anything else with a balance and interest rate.
No debts added yet — click "＋ Add Debt" to get started.
Drag debts by their ⠿ handle in the list above to set your custom payoff order.
Same debts, same extra payment — compare total interest and time for each method.
Uses your minimum payments above, plus any other monthly debt payments (rent/mortgage isn't required but can be included).
Saved only on this device — never uploaded anywhere. Click one to reload it.
Snowball pays off the smallest balance first regardless of interest rate, which builds momentum through quick wins. Avalanche pays off the highest interest rate first, which minimizes total interest paid. Avalanche is usually cheaper; snowball is often easier to stick with.
Every debt still gets its minimum payment each month. Any extra monthly amount, plus the minimum payments freed up from debts you've already paid off, is applied entirely to the debt at the top of your chosen payoff order.
One-time extra payments you plan to make in a specific month, such as a tax refund or bonus. They're applied to the current target debt in that month, on top of the regular payment.
Paying half your monthly payment every two weeks results in 26 half-payments a year — the equivalent of 13 monthly payments instead of 12. The tool models this as one extra payment applied once per year, which shortens payoff time and reduces interest.
It rounds each debt's minimum payment up to your chosen nearest amount (e.g. nearest $25) and treats the rounding difference as extra principal payment on that debt every month.
No. Every calculation, including the amortization schedule and comparison, runs locally in your browser. Saved scenarios are stored only in this browser's local storage.
It divides your total monthly debt payments by your gross monthly income to estimate your DTI ratio — a figure lenders commonly use. Under 36% is generally considered healthy, and above 43% can make new credit harder to get.
Yes. Switch the payoff method to Custom Order and drag debts into whatever order you prefer — useful if you want to prioritize a co-signed loan or one with a prepayment penalty.
Yes. It runs a month-by-month simulation: each month's interest is calculated on the remaining balance at your entered APR, then payments reduce principal, matching how credit cards and most installment loans actually accrue interest.
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