Debt Avalanche Payoff Calculator
Payoff order and interest saved via the debt avalanche method.
Enter your values
e.g. store card
ⓘ Live results
Results
- Months to debt-free
- 30
- Total interest paid
- $1,384.30
- Years to payoff
- 2.5
Quick answer
Paying extra toward the highest interest rate debt first minimizes total interest paid across all debts.
months and interest computed by targeting highest APR balance first with extra payments
How to use the Debt Avalanche Payoff Calculator
- 1Enter each debt's balance and interest rate (APR).
- 2Enter how much extra you can pay above minimums each month.
- 3The avalanche method sends all extra money to the highest-APR debt first, saving the most interest overall.
Inputs explained
- Debt 1 balance($)
- e.g. store card
Worked example
Using the values the calculator loads with:
Inputs
- Debt 1 balance1200 $
- Debt 1 APR24 %
- Debt 2 balance4500
- Debt 2 APR18 %
- Extra monthly payment150
Results
- Months to debt-free30
- Total interest paid$1,384.30
- Years to payoff2.5
Frequently asked questions
Why is avalanche mathematically better?
Interest compounds fastest on the highest rate balance, so eliminating it first reduces total interest paid.
Can I switch methods midway?
Yes, many people start with snowball for motivation then switch to avalanche once momentum builds.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.