Debt Avalanche Calculator
Pay highest-rate debt first.
Enter your values
ⓘ Live results
Results
- Months to debt free
- 45
- Years
- 3.8
- Total paid
- $31,344.48
- Total interest
- $9,344.48
- Interest share of payments
- 29.81%
Quick answer
The avalanche method pays minimums on everything and throws every spare dollar at the highest interest rate, minimising total interest.
How to use the Debt Avalanche Calculator
- 1Add up your total balances.
- 2Enter your weighted average interest rate.
- 3Enter the total monthly payment you can commit.
Worked example
Using the values the calculator loads with:
Inputs
- Total balance22000 $
- Weighted average rate19.9 %
- Monthly payment700 $
Results
- Months to debt free45
- Years3.8
- Total paid$31,344.48
- Total interest$9,344.48
- Interest share of payments29.81%
Frequently asked questions
Avalanche or snowball?
Avalanche saves the most money; snowball clears small balances faster for motivation.
Does it matter much?
On mixed-rate debt, avalanche typically saves 5–15% of total interest.
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.