Tools

Debt payoff calculator

Avalanche sends extra money to the highest interest rate. Snowball sends it to the smallest balance. Both roll a finished payment into the next debt. If payments never cover interest, the calculator says the plan does not pay off.

Arc · Published September 18, 2026 · Updated September 18, 2026

Method

Assumptions

  • Avalanche targets the higher rate. Snowball targets the smaller balance.
  • Finished minimums roll forward.
  • Not a lender amortization schedule.

Months to payoff

14

Interest paid $668. Order: Higher rate, Other.

Enter up to three debts. Minimums should at least cover interest. This is a month-by-month estimate, not an amortization schedule from a lender.

Keep going

Educational estimate only. Not tax, legal, or investment advice, and not a prediction of what your accounts will do. Methodology