Debt Snowball / Avalanche Calculator

Enter your balances, contractual minimums, annual rates and extra monthly budget to compare two payoff orders under the same assumptions.

Your Debt Terms2 MethodsFree

Enter Your Debts

Debt NameBalanceMonthly Min. PaymentAnnual Rate (%)
☃ Snowball Method
Smallest balance first
🏄 Avalanche Method
Highest rate first

Snowball Payoff Order

PriorityDebtBalanceRateModelled payoff
The model holds your total monthly payment budget constant, accrues interest monthly, pays each active debt's minimum, then directs the remaining budget by method. It excludes fees, penalties, rate changes, missed payments and lender allocation rules.

Frequently Asked Questions

Debt payoff method check

Compare snowball and avalanche payoff logic

Use the same balances, minimums and extra payment budget to compare smallest-balance-first with highest-rate-first.

  • What you get: modelled payoff time and interest for both methods.
  • How it works: freed minimum payments stay inside the fixed monthly budget and roll to the next priority debt.
  • What to check: confirm whether your contracts allow extra payments and how each lender allocates them.

Planning estimate. Contact lenders early if minimum payments are unaffordable; this calculator is not debt or financial advice.

Frequently Asked Questions

What is held constant in the comparison?

Both methods use the same starting debts and the same total monthly budget: all entered minimums plus the extra payment.

Why can a plan fail to repay within the model?

If the budget does not cover accruing interest or repayment would take more than 600 months, the result is shown as not repaid instead of a false payoff date.

Can actual lender results differ?

Yes. Fees, daily interest, changing rates, payment timing and lender allocation rules can change the result.

Does avalanche always cost less?
Under this model, directing spare budget to the highest annual rate should not cost more interest than a different order. Ties and short repayment periods can produce the same result.
What if I cannot cover the minimum payments?
Do not rely on this payoff plan. Contact lenders or a qualified local debt adviser promptly to discuss hardship, restructuring or other available options.
Should I consolidate?
Compare the new loan's total fees, rate, term and total repayment against keeping the current debts. A lower monthly payment can still cost more over a longer term.